US Bridges

Agency RD S over US 36

FairPosted for load

Buchanan County, Missouri · S 21 T 57 N R 35 W · Structure no. 473

Built
1961
64 years old
Condition
Fair
inspected August 2024
Type
Box Beam or Girders - Single or Spread
Concrete Continuous
Length
175 ft
3 main spans
Daily traffic
1,518
2024 count
Owner
State
State Highway Agency

About this bridge

Agency RD S over US 36 is a concrete continuous box beam or girders - single or spread carrying Agency RD S over US 36 in Buchanan County, Missouri. It was built in 1961, 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 1,518 vehicles a day, roughly 5% of them trucks, projected to reach 1,973 by 2044. The structure is 175 ft (53.3 m) long and 40 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesAgency RD S
CrossesUS 36
LocationS 21 T 57 N R 35 W
RouteCity Street 0
CountyBuchanan County
StateMissouri
Coordinates39.7473, -94.82708
Functional classUrban Local

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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating57.5 US tons
Inventory rating37.7 US tons

Structure

Structure typeBox Beam or Girders - Single or Spread
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length175 ft (53.3 m)
Longest span78 ft (23.8 m)
Deck width40 ft (12.1 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,518 (2024)
Projected traffic1,973 by 2044
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemNo

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 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Agency RD S over US 36 built?

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

What condition is Agency RD S over US 36 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 Agency RD S over US 36 carry?

About 1,518 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is Agency RD S over US 36?

The structure is 175 ft (53.3 m) long with a longest span of 78 ft (23.8 m) and a deck 40 ft wide.

Who owns Agency RD S over US 36?

It is owned by the State Highway Agency.