US Bridges

Rt Ac S over Maline CR

FairPosted for load

St. Louis County, Missouri · S 8 T 46 N R 7 E · Structure no. 905

Built
1968
57 years old, rebuilt 1988
Condition
Fair
inspected August 2024
Type
Slab
Concrete Continuous
Length
149 ft
3 main spans
Daily traffic
17,221
2024 count
Owner
State
State Highway Agency

About this bridge

Rt Ac S over Maline CR is a concrete continuous slab carrying Rt Ac S over Maline CR in St. Louis County, Missouri. It was built in 1968 and reconstructed in 1988, so it is 57 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 6 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 17,221 vehicles a day, roughly 5% of them trucks, projected to reach 24,109 by 2044. The structure is 149 ft (45.4 m) long and 84 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesRt Ac S
CrossesMaline CR
LocationS 8 T 46 N R 7 E
RouteState Highway 0AC
Coordinates38.74007, -90.25121
Functional classUrban Other Principal Arterial

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating53.6 US tons
Inventory rating31.7 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length149 ft (45.4 m)
Longest span58 ft (17.7 m)
Deck width84 ft (25.5 m)
Roadway width72 ft (21.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic17,221 (2024)
Projected traffic24,109 by 2044
Trucks5%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Rt Ac S over Maline CR built?

It was built in 1968, making it 57 years old in 2025. It was reconstructed in 1988.

What condition is Rt Ac S over Maline CR 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 Rt Ac S over Maline CR carry?

About 17,221 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is Rt Ac S over Maline CR?

The structure is 149 ft (45.4 m) long with a longest span of 58 ft (17.7 m) and a deck 84 ft wide.

Who owns Rt Ac S over Maline CR?

It is owned by the State Highway Agency.