Concrete dock aprons, truck courts and trailer parking built with Oklahoma tilt-up warehouses: design vehicles, drainage, permits and phasing.
Ramp and street closures at the I-44 and US-75 interchange in Tulsa are scheduled by the Oklahoma Department of Transportation to continue through summer 2028, and that single fact says a lot about trucking in this state: the roads that bring freight to a warehouse are always being rebuilt, so the pavement on the owner's side of the property line has to work reliably in spite of them. A truck court is that pavement. It is the concrete and asphalt where trailers back to the docks, turn, wait and leave, and it carries the heaviest repeated loads anywhere on the site.
Truck courts and dock aprons are not decoration around a building. The apron, the strip of heavy concrete directly in front of the dock doors, takes the concentrated load of trailer landing gear and braking tractors. The court beyond it must be wide and deep enough that a full-length trailer can swing into a door without blocking the next one. If either is undersized or poorly drained, the building suffers every working day.
We build both as part of the same project as the tilt-up shell, so that grades, utilities and drainage are coordinated with the building rather than adjusted around it. What follows describes how we plan, build and protect that paving.
Oklahoma's Department of Commerce reports that three interstates, I-35, I-40 and I-44, meet in the state, which has more than 12,000 miles of highway and over 2,600 miles of Class I rail. For a warehouse owner, that means choosing a site where trucks can reach an interstate quickly, and then making sure the site can handle the turning and queuing that follows.
Near the Tulsa Port of Catoosa, ODOT lists an I-44 and SH-66 interchange improvement in Catoosa, including the westbound I-44 to northbound SH-66 ramp, with work continuing through early 2027. Public road projects like that change truck routes, and we check haul routes and site entrances at the beginning of a project so entrance design and construction deliveries are planned around current conditions.
A court is built in layers. The subgrade is proof-rolled and stabilized where testing shows it is needed, a stone base is placed and compacted, and the paving goes on top. Dock aprons are typically concrete, thick and reinforced, with dowelled joints. The drive lanes and parking areas may be concrete or asphalt depending on traffic, budget and the owner's preference.
Dimensions come from the trucks. Court depth, turning radius, the position of the approach drive and the layout of trailer stalls all follow the design vehicle, usually a full-size tractor-trailer. We also plan for fire access, lighting, bollards, guard posts and striping. Where the dock wall carries many openings, its layout matters as discussed in dock pits, levelers and doors.
Site plans for a truck court go through municipal review for access, turning movements, drainage and fire lanes, and entrances onto a state highway need state approval. Driveway permits, traffic studies and stormwater plans can take time, and we advise owners to start them early. Local building and zoning departments also set rules for screening, lighting and trailer parking.
Code editions vary: the state has adopted the International Codes, while some cities still list their own editions, so we confirm requirements with the local department. We coordinate these approvals with our work on permitting and inspections.
The order of work matters. Underground utilities and storm sewers go in before the base, the building pad and court subgrade are prepared together, and the apron concrete is placed after the dock pits and wall are in position. We then pave the court once heavy construction traffic has finished, so new paving is not damaged by cranes and concrete trucks.
When the schedule forces early paving, we protect the apron and use temporary haul roads. Details that connect with the grading work include slope and drainage, covered under site grading and building pads. Done in the right order, the court is ready when the first trailers arrive.
Concrete costs more up front and lasts longer under heavy loads, while asphalt is cheaper to build and easier to patch but wears in the places where trailers turn and park. Many owners use concrete at the apron and at truck turning areas and asphalt in lighter-use areas. The mix depends on tenant type, load patterns and expected life.
Drainage, subgrade stabilization, lighting and utilities add to the bill, and so does the size of the court. For industrial developers and REITs building for a future tenant, we often recommend investing in the apron and leaving room to add trailer parking. A cross-dock truck terminal needs far more concrete, since trucks work all four sides.
Truck courts are shared spaces, and design should separate employee parking and walkways from truck routes. Clear signage, curbs, crosswalks and lighting reduce conflicts. Fire apparatus must be able to reach the building and circulate around it, and the fire marshal reviews this on the site plan.
During construction, traffic control keeps deliveries and crews apart, and we maintain access for emergency vehicles at all times. Owners working in the Tulsa area can read more about local conditions on our Tulsa page.
Send us the site plan, the dock count and the design truck and we will review the court depth, apron concrete and drainage with you.
The depth follows the design truck and the number of dock positions, so there is no one number. Longer trailers and tighter turns need more room, and the dock layout decides how many stalls you can serve. The civil engineer sizes the court and we confirm it against the architect's dock layout.
Trailers drop their landing gear on the apron and brake there, and those concentrated loads can deform asphalt. Concrete resists them. We use concrete where the loads are heaviest and asphalt elsewhere when that suits the budget.
Yes, but we protect it. Cranes, concrete trucks and heavy equipment can damage new pavement, so we usually place the final court after the heaviest work. If early paving is needed, we use temporary protection and plan haul routes.
The court is graded to shed water away from the building and toward inlets, with slopes that are gentle enough for trailers and steep enough to drain. Water that ponds at a dock door is a safety and maintenance problem. Drainage is designed with the civil engineer and checked during paving.
Send the site, the building, the schedule and the decision you need to make, and we will set up a project review.
