Speed Bumps, Curbs, and Asphalt Accessories

We provide speed bump installation in Saint Louis, MO along with asphalt curbs and other accessories that improve safety and traffic flow. Our team installs asphalt and rubber speed humps, raised curbing, and parking lot features that slow vehicles and protect pedestrians. These details help prevent accidents and organize vehicles on your property.

Precision Asphalt St. Louis provides professional speed bump installation throughout Saint Louis, MO, Missouri and the surrounding area. Our licensed, insured crew delivers safe, clean, on-time work with a free estimate before anything begins. Call (314) 333-7779 or request your free quote.

Speed Bump Installation and Asphalt Accessories in St. Louis

If you manage a parking lot, private drive, HOA street, church property, or school campus in St. Louis, you already know that speed control is a safety issue, not just a convenience. Precision Asphalt St. Louis specializes in speed bump installation, curbs, and related asphalt accessories that fit the way people actually drive and park around here.

We design and install permanent asphalt speed bumps and speed humps, concrete or asphalt curbing, and practical add‑ons like wheel stops and bollard bases. Our teams work all over the metro area, from tight South City alleys behind older brick four‑families to wide commercial lots in St. Charles and industrial sites along the riverfront.

Instead of dropping in generic prefabricated bumps and hoping for the best, we look at how your traffic really flows. We consider sight lines, lot slope, winter plowing patterns, and drainage so that the new features slow drivers down without creating water problems or trip hazards.

Because we are local, we know what holds up to Missouri freeze‑thaw cycles, salt, and heavy equipment. We build speed bumps, curbs, and accessories to last under local conditions, not just to look good the week they are installed.

How Professional Speed Bump Installation Actually Works

Effective speed bump installation starts with a field visit. A Precision Asphalt St. Louis estimator walks the property with you, identifies problem areas, and looks at traffic patterns, existing pavement condition, and any ADA routes. We often ask you to point out specific incidents or near misses that led you to consider speed control.

Once we know the goals, we select the right type of device. For tight residential alleys near Tower Grove or The Hill, we often recommend shorter, slightly higher speed bumps that slow drivers to 5 to 10 mph. For long private drives in West County or business parks, we might propose wider, lower speed humps that calm traffic without stopping it completely.

On installation day, we start by marking exact locations according to the layout you approved. We saw cut or mill the existing asphalt where needed to tie in the new bump cleanly. Then we build up the bump or hump in lifts of hot mix asphalt, compacting each lift with a roller or plate compactor so there are no internal voids that will crack later.

We shape the approaches carefully so drivers feel a firm rise, but not a sharp edge that can damage vehicles. After compaction, we allow proper cooling time, then apply high visibility traffic paint or thermoplastic striping, usually yellow or white, and install reflective markers if needed for night visibility. We coordinate all of this with your business hours to keep access open as much as possible.

Curbs, Wheel Stops, and Other Asphalt Accessories

Speed bumps are only one part of controlling traffic and protecting your pavement. Precision Asphalt St. Louis also installs perimeter and island curbs, parking wheel stops, and bases for bollards and signs.

Curbs can be poured concrete or machine‑laid asphalt, depending on your budget and the look you want. In older St. Louis multi‑family lots where space is tight and runoff can be messy, we often use concrete curbs to channel water toward existing drains and to keep vehicles out of yard areas. In large commercial lots, asphalt curbs are sometimes more cost‑effective and blend better with the pavement.

Wheel stops are helpful where you cannot pour full curbing, such as small lots behind South City storefronts or along retaining walls. We anchor concrete or recycled rubber wheel stops with rebar or long spikes directly into the asphalt so they do not slide when hit by bumpers.

For bollards and heavy sign posts, we cut or core through the existing asphalt, install properly sized concrete footings, then patch the asphalt around them for a clean, sealed finish. This detail is important because poorly patched bases often become potholes. We seal around the new accessories to keep water out of the pavement structure and extend the life of the surrounding asphalt.

Local Design Considerations in St. Louis, Missouri

Saint Louis has a mix of narrow, older streets and modern wide parking fields, and that affects how we design and place speed bumps and curbs. In historic neighborhoods like Soulard and Benton Park, alleys are often shared, lined with garages, and only one car wide. In these situations, oversize speed humps can block drainage or complicate trash truck access. We adjust height and spacing so sanitation trucks, delivery vans, and emergency vehicles can still move through.

In suburban developments and HOA communities, residents usually want calmer streets without the harsh feeling of a tall bump. There we may recommend a series of longer speed humps, raised crosswalks near playgrounds, or strategic bump placement near curves rather than at property lines.

Winters here bring plows and salt. A bump that sits too tall or has a sharp leading edge can catch plow blades and break apart. Precision Asphalt St. Louis shapes the profiles so plow blades can ride over them, and we coordinate with your plow contractor when possible. For curbs and wheel stops, we consider where snow piles will sit so your new accessories are not buried and repeatedly struck by equipment.

Drainage is another local concern. Our region’s frequent heavy rains mean any new raised feature can accidentally trap water. Before we install, we check slopes with a level and adjust bump height or curb breaks so water still flows toward inlets or streets, instead of ponding in front of your entrances.

Materials, Options, and What Affects Cost

Most permanent speed bumps we install in St. Louis are built from hot mix asphalt, because it bonds tightly with existing pavements and stands up to temperature swings. On newer concrete lots, we may use anchored rubber or plastic modular bumps so they can be removed in the future without cutting the slab.

Paint and markings are another key choice. For high traffic commercial sites, we often suggest thermoplastic markings or multiple coats of traffic paint with glass beads for night reflectivity. For smaller residential lots and churches, high quality traffic paint is usually sufficient if you plan on periodic touch‑ups.

Cost is driven mainly by the number of speed bumps, the length and height of each, whether we are also installing curbs or wheel stops, and how much surface preparation is needed. A few short bumps on a solid parking lot will be less expensive than building long speed humps plus concrete curbing plus new signage on a cracked, failing surface.

Access and staging also matter. In dense areas like the Central West End, getting equipment in and out of tight rear lots can add labor time. If we must work only during off‑hours to keep a business open, that can affect price as well.

To keep costs clear, Precision Asphalt St. Louis provides an itemized proposal that separates speed bump installation, curbing, wheel stops, striping, and any patching or crack repair. That way you can prioritize what fits this year’s budget and what can wait.

Common Problems and How We Prevent Them

Poorly installed speed bumps cause complaints, and we get called to fix them frequently. Common problems include bumps that are too tall or too short, cracking along the edges, standing water on the uphill side, and paint that wears off quickly.

We prevent edge cracking by tying new work into sound pavement only. If the existing asphalt is crumbling where the bump should go, we recommend patching that area first so the bump is not sitting on a weak base. Our crews compact both the base and the bump itself in multiple passes so the structure acts as one piece with the underlying pavement.

To avoid drainage issues, we never place speed bumps blindly across a drive. We check for nearby inlets, gutter slopes, and any visible water flow patterns after rain. In some cases we shorten a bump or introduce a small low point so water can cross without building up.

Visibility issues are fixed with correct markings and layout. For example, on a dimly lit church lot in North County we might add reflective pavement markers on both approaches and use wider painted stripes so older drivers can see the bump clearly at night. If your lot serves pedestrians with mobility challenges, we also review the layout against ADA paths so bumps do not create unexpected barriers.

When clients call us to repair someone else’s failing work, we explain what went wrong and then rebuild with proper thickness, base preparation, and materials chosen for St. Louis conditions instead of generic specs.

What to Know Before You Hire a Speed Bump Contractor

If you are considering speed bump installation or new curbs, it helps to think through your goals ahead of time. Make a list of the specific problem spots: cars cutting through residential alleys, speeding in front of daycare doors, delivery trucks hopping curbs, or vehicles rolling into fences. Sharing these real issues helps us target solutions instead of just dropping bumps at random intervals.

Ask any contractor about their experience with local codes and emergency access. In some parts of the metro area, fire districts prefer spaced humps instead of tall isolated bumps. A reputable local contractor should be ready to discuss these concerns and adjust designs accordingly.

You should also confirm what surface prep is included. For older lots near Cherokee Street or in Spanish Lake, there may be cracking or settled areas that must be repaired first. Installing speed bumps on bad pavement does not solve the underlying problem and usually leads to early failure.

Finally, ask how the work will be scheduled to limit disruption. Precision Asphalt St. Louis often phases projects so that half the lot remains usable, or we work on evenings or Saturdays for churches, medical offices, and busy retail centers. We provide clear instructions on temporary closures and cure times so your tenants, customers, and residents know exactly when they can drive on the new features.

When you are ready, we can visit your property anywhere in the St. Louis, Missouri region, review options on site, and provide a clear plan and written estimate for speed bumps, curbs, and asphalt accessories that match how your property is actually used.