US Bridges

Rt a S over Otter CR

Fair

Cooper County, Missouri · S 36 T 46 N R 19 W · Structure no. 3968

Built
1988
37 years old
Condition
Fair
inspected July 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
169 ft
3 main spans
Daily traffic
349
2024 count
Owner
State
State Highway Agency

About this bridge

Rt a S over Otter CR is a prestressed concrete continuous stringer/multi-beam or girder carrying Rt a S over Otter CR in Cooper County, Missouri. It was built in 1988, so it is 37 years old, younger 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.

It carries about 349 vehicles a day, roughly 11% of them trucks, projected to reach 471 by 2044. The structure is 169 ft (51.5 m) long and 35 ft wide. If it were closed, the detour would be 24.2 mi (39 km).

CarriesRt a S
CrossesOtter CR
LocationS 36 T 46 N R 19 W
RouteState Highway 0A
Coordinates38.7133, -92.95937
Functional classRural Major Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating54.6 US tons
Inventory rating37.7 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length169 ft (51.5 m)
Longest span56 ft (17.2 m)
Deck width35 ft (10.8 m)
Roadway width33 ft (10 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic349 (2024)
Projected traffic471 by 2044
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed24.2 mi (39 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Rt a S over Otter CR built?

It was built in 1988, making it 37 years old in 2025.

What condition is Rt a S over Otter 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 July 2023.

How much traffic does Rt a S over Otter CR carry?

About 349 vehicles per day (2024 count), of which roughly 11% are trucks.

How long is Rt a S over Otter CR?

The structure is 169 ft (51.5 m) long with a longest span of 56 ft (17.2 m) and a deck 35 ft wide.

Who owns Rt a S over Otter CR?

It is owned by the State Highway Agency.