US Bridges

County RD 948 over Davis CR

Fair

Audrain County, Missouri · S 17 T 50 N R 10 W · Structure no. 18081

Built
1987
38 years old
Condition
Fair
inspected April 2023
Type
Culvert
Concrete
Length
23 ft
2 main spans
Daily traffic
75
2023 count
Owner
County
County Highway Agency

About this bridge

County RD 948 over Davis CR is a concrete culvert carrying County RD 948 over Davis CR in Audrain County, Missouri. It was built in 1987, so it is 38 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 75 vehicles a day, roughly 10% of them trucks, projected to reach 94 by 2043. The structure is 23 ft (7 m) long and 30 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

Location

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CarriesCounty RD 948
CrossesDavis CR
LocationS 17 T 50 N R 10 W
RouteCounty Highway 172
CountyAudrain County
StateMissouri
Coordinates39.11769, -92.06231
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 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 adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating54.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadOther
Structure length23 ft (7 m)
Longest span10 ft (3 m)
Deck width30 ft (9.1 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic75 (2023)
Projected traffic94 by 2043
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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 948 over Davis CR built?

It was built in 1987, making it 38 years old in 2025.

What condition is County RD 948 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 948 over Davis CR carry?

About 75 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is County RD 948 over Davis CR?

The structure is 23 ft (7 m) long with a longest span of 10 ft (3 m) and a deck 30 ft wide.

Who owns County RD 948 over Davis CR?

It is owned by the County Highway Agency.