US Bridges

Rt Ac S over US 36

PoorPosted for load

Buchanan County, Missouri · S 13 T 57 N R 35 W · Structure no. 2434

Built
1973
52 years old
Condition
Poor
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
264 ft
2 main spans
Daily traffic
10,927
2024 count
Owner
State
State Highway Agency

About this bridge

Rt Ac S over US 36 is a steel continuous stringer/multi-beam or girder carrying Rt Ac S over US 36 in Buchanan County, Missouri. It was built in 1973, so it is 52 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 10,927 vehicles a day, roughly 7% of them trucks, projected to reach 14,751 by 2044. The structure is 264 ft (80.5 m) long and 47 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesRt Ac S
CrossesUS 36
LocationS 13 T 57 N R 35 W
RouteState Highway 0AC
CountyBuchanan County
StateMissouri
Coordinates39.74951, -94.76801
Functional classUrban Other Principal Arterial

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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourBridge not over waterway
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating64.5 US tons
Inventory rating38.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2 (+2 approach)
Design loadHS 20
Structure length264 ft (80.5 m)
Longest span90 ft (27.4 m)
Deck width47 ft (14.3 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,927 (2024)
Projected traffic14,751 by 2044
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed6.2 mi (10 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$2.1 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Rt Ac S over US 36 built?

It was built in 1973, making it 52 years old in 2025.

What condition is Rt Ac S over US 36 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 October 2024.

How much traffic does Rt Ac S over US 36 carry?

About 10,927 vehicles per day (2024 count), of which roughly 7% are trucks.

How long is Rt Ac S over US 36?

The structure is 264 ft (80.5 m) long with a longest span of 90 ft (27.4 m) and a deck 47 ft wide.

Who owns Rt Ac S over US 36?

It is owned by the State Highway Agency.