US Bridges

Old Concord RD over Trib to Petite Sal

Good

Cooper County, Missouri · S 27 T 48 N R 17 W · Structure no. 16989

Built
1914
111 years old, rebuilt 1984
Condition
Good
inspected December 2023
Type
Culvert
Concrete
Length
23 ft
2 main spans
Daily traffic
60
2024 count
Owner
County
County Highway Agency

About this bridge

Old Concord RD over Trib to Petite Sal is a concrete culvert carrying Old Concord RD over Trib to Petite Sal in Cooper County, Missouri. It was built in 1914 and reconstructed in 1984, so it is 111 years old, older than the Missouri average of 45.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 60 vehicles a day, roughly 10% of them trucks, projected to reach 78 by 2044. The structure is 23 ft (7 m) long. If it were closed, the detour would be 6.8 mi (11 km).

CarriesOld Concord RD
CrossesTrib to Petite Sal
LocationS 27 T 48 N R 17 W
RouteCounty Highway 139
Coordinates38.8915, -92.76419
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
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
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating31.7 US tons
Inventory rating18.8 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadOther
Structure length23 ft (7 m)
Longest span11 ft (3.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic60 (2024)
Projected traffic78 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 Old Concord RD over Trib to Petite Sal built?

It was built in 1914, making it 111 years old in 2025. It was reconstructed in 1984.

What condition is Old Concord RD over Trib to Petite Sal in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in December 2023.

How much traffic does Old Concord RD over Trib to Petite Sal carry?

About 60 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is Old Concord RD over Trib to Petite Sal?

The structure is 23 ft (7 m) long with a longest span of 11 ft (3.4 m).

Who owns Old Concord RD over Trib to Petite Sal?

It is owned by the County Highway Agency.