US Bridges

Mo 51 S over Cane CR

Fair

Bollinger County, Missouri · S 20 T 29 N R 10 E · Structure no. 5143

Built
1929
96 years old, rebuilt 1974
Condition
Fair
inspected December 2023
Type
Tee Beam
Concrete
Length
130 ft
4 main spans
Daily traffic
442
2024 count
Owner
State
State Highway Agency

About this bridge

Mo 51 S over Cane CR is a concrete tee beam carrying Mo 51 S over Cane CR in Bollinger County, Missouri. It was built in 1929 and reconstructed in 1974, so it is 96 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.

It carries about 442 vehicles a day, roughly 10% of them trucks, projected to reach 663 by 2044. The structure is 130 ft (39.6 m) long and 23 ft wide. If it were closed, the detour would be 28 mi (45 km).

CarriesMo 51 S
CrossesCane CR
LocationS 20 T 29 N R 10 E
RouteState Highway 51
Coordinates37.16857, -89.96415
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
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating43.7 US tons
Inventory rating25.8 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans4
Design loadH 15
Structure length130 ft (39.6 m)
Longest span48 ft (14.5 m)
Deck width23 ft (7 m)
Roadway width23 ft (6.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic442 (2024)
Projected traffic663 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed28 mi (45 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 Mo 51 S over Cane CR built?

It was built in 1929, making it 96 years old in 2025. It was reconstructed in 1974.

What condition is Mo 51 S over Cane 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 December 2023.

How much traffic does Mo 51 S over Cane CR carry?

About 442 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is Mo 51 S over Cane CR?

The structure is 130 ft (39.6 m) long with a longest span of 48 ft (14.5 m) and a deck 23 ft wide.

Who owns Mo 51 S over Cane CR?

It is owned by the State Highway Agency.