US Bridges

County RD 929 over Davis CR

Good

Audrain County, Missouri · S 28 T 51 N R 9 W · Structure no. 29259

Built
2003
22 years old
Condition
Good
inspected April 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
79 ft
1 main span
Daily traffic
383
2023 count
Owner
County
County Highway Agency

About this bridge

County RD 929 over Davis CR is a prestressed concrete stringer/multi-beam or girder carrying County RD 929 over Davis CR in Audrain County, Missouri. It was built in 2003, so it is 22 years old, younger 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 383 vehicles a day, roughly 10% of them trucks, projected to reach 479 by 2043. The structure is 79 ft (24.1 m) long and 37 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesCounty RD 929
CrossesDavis CR
LocationS 28 T 51 N R 9 W
RouteCounty Highway 260
Coordinates39.17208, -91.92481
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating95.2 US tons
Inventory rating56.5 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length79 ft (24.1 m)
Longest span77 ft (23.4 m)
Deck width37 ft (11.2 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic383 (2023)
Projected traffic479 by 2043
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 County RD 929 over Davis CR built?

It was built in 2003, making it 22 years old in 2025.

What condition is County RD 929 over Davis CR 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 April 2023.

How much traffic does County RD 929 over Davis CR carry?

About 383 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is County RD 929 over Davis CR?

The structure is 79 ft (24.1 m) long with a longest span of 77 ft (23.4 m) and a deck 37 ft wide.

Who owns County RD 929 over Davis CR?

It is owned by the County Highway Agency.