US Bridges

County RD 957 over Davis CR

Fair

Audrain County, Missouri · S 26 T 51 N R 10 W · Structure no. 17302

Built
1991
34 years old
Condition
Fair
inspected April 2023
Type
Slab
Prestressed Concrete Continuous
Length
115 ft
3 main spans
Daily traffic
200
2023 count
Owner
County
County Highway Agency

About this bridge

County RD 957 over Davis CR is a prestressed concrete continuous slab carrying County RD 957 over Davis CR in Audrain County, Missouri. It was built in 1991, so it is 34 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 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 200 vehicles a day, roughly 10% of them trucks, projected to reach 250 by 2043. The structure is 115 ft (35.1 m) long and 26 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesCounty RD 957
CrossesDavis CR
LocationS 26 T 51 N R 10 W
RouteCounty Highway 148
CountyAudrain County
StateMissouri
Coordinates39.178, -92.01106
Functional classRural Local

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.
Superstructure8 Very GoodNo problems noted.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
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 rating54.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length115 ft (35.1 m)
Longest span43 ft (13.1 m)
Deck width26 ft (8 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic200 (2023)
Projected traffic250 by 2043
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 County RD 957 over Davis CR built?

It was built in 1991, making it 34 years old in 2025.

What condition is County RD 957 over Davis 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 April 2023.

How much traffic does County RD 957 over Davis CR carry?

About 200 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is County RD 957 over Davis CR?

The structure is 115 ft (35.1 m) long with a longest span of 43 ft (13.1 m) and a deck 26 ft wide.

Who owns County RD 957 over Davis CR?

It is owned by the County Highway Agency.