US Bridges

US 36 E over Lp 29

PoorPosted for load

Buchanan County, Missouri · S 20 T 57 N R 35 W · Structure no. 6203

Built
1961
64 years old, rebuilt 1979
Condition
Poor
inspected July 2024
Type
Slab
Concrete Continuous
Length
156 ft
3 main spans
Daily traffic
20,009
2024 count
Owner
State
State Highway Agency

About this bridge

US 36 E over Lp 29 is a concrete continuous slab carrying US 36 E over Lp 29 in Buchanan County, Missouri. It was built in 1961 and reconstructed in 1979, 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 poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 20,009 vehicles a day, roughly 11% of them trucks, projected to reach 34,015 by 2044. The structure is 156 ft (47.5 m) long and 88 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesUS 36 E
CrossesLp 29
LocationS 20 T 57 N R 35 W
RouteU.S. Route 36
Coordinates39.7491, -94.84933
Functional classUrban Principal Arterial - Other Freeway or Expressway

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourBridge not over waterway
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.6 US tons
Inventory rating28.8 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length156 ft (47.5 m)
Longest span63 ft (19.2 m)
Deck width88 ft (26.9 m)
Roadway width74 ft (22.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20,009 (2024)
Projected traffic34,015 by 2044
Trucks11%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.9 mi (3 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$2.4 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was US 36 E over Lp 29 built?

It was built in 1961, making it 64 years old in 2025. It was reconstructed in 1979.

What condition is US 36 E over Lp 29 in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in July 2024.

How much traffic does US 36 E over Lp 29 carry?

About 20,009 vehicles per day (2024 count), of which roughly 11% are trucks.

How long is US 36 E over Lp 29?

The structure is 156 ft (47.5 m) long with a longest span of 63 ft (19.2 m) and a deck 88 ft wide.

Who owns US 36 E over Lp 29?

It is owned by the State Highway Agency.