US Bridges

US 36 E over Cst Southwest Pkwy

FairPosted for load

Buchanan County, Missouri · S 22 T 57 N R 35 W · Structure no. 514

Built
1961
64 years old, rebuilt 1987
Condition
Fair
inspected August 2024
Type
Slab
Concrete Continuous
Length
167 ft
3 main spans
Daily traffic
10,331
2024 count
Owner
State
State Highway Agency

About this bridge

US 36 E over Cst Southwest Pkwy is a concrete continuous slab carrying US 36 E over Cst Southwest Pkwy in Buchanan County, Missouri. It was built in 1961 and reconstructed in 1987, so it is 64 years old, older than the Missouri average of 45.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 10,331 vehicles a day, roughly 10% of them trucks, projected to reach 17,563 by 2044. The structure is 167 ft (50.9 m) long and 33 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Location

Open in Google Maps
CarriesUS 36 E
CrossesCst Southwest Pkwy
LocationS 22 T 57 N R 35 W
RouteU.S. Route 36
CountyBuchanan County
StateMissouri
Coordinates39.74765, -94.81729
Functional classUrban Principal Arterial - Other Freeway or Expressway

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61.5 US tons
Inventory rating36.7 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length167 ft (50.9 m)
Longest span60 ft (18.3 m)
Deck width33 ft (10 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,331 (2024)
Projected traffic17,563 by 2044
Trucks10%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed6.8 mi (11 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$1.2 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was US 36 E over Cst Southwest Pkwy built?

It was built in 1961, making it 64 years old in 2025. It was reconstructed in 1987.

What condition is US 36 E over Cst Southwest Pkwy in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in August 2024.

How much traffic does US 36 E over Cst Southwest Pkwy carry?

About 10,331 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is US 36 E over Cst Southwest Pkwy?

The structure is 167 ft (50.9 m) long with a longest span of 60 ft (18.3 m) and a deck 33 ft wide.

Who owns US 36 E over Cst Southwest Pkwy?

It is owned by the State Highway Agency.