US Bridges

County RD 431 over Clear CR

Good

Livingston County, Missouri · S 29 T 56 N R 24 W · Structure no. 22484

Built
1999
26 years old
Condition
Good
inspected January 2025
Type
Tee Beam
Prestressed Concrete
Length
118 ft
3 main spans
Daily traffic
5
2024 count
Owner
County
County Highway Agency

About this bridge

County RD 431 over Clear CR is a prestressed concrete tee beam carrying County RD 431 over Clear CR in Livingston County, Missouri. It was built in 1999, so it is 26 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 5 vehicles a day, roughly 10% of them trucks, projected to reach 6 by 2044. The structure is 118 ft (36 m) long and 27 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesCounty RD 431
CrossesClear CR
LocationS 29 T 56 N R 24 W
RouteCounty Highway 358
Coordinates39.63988, -93.61868
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating79.4 US tons
Inventory rating47.6 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length118 ft (36 m)
Longest span50 ft (15.2 m)
Deck width27 ft (8.1 m)
Roadway width27 ft (8.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5 (2024)
Projected traffic6 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 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 431 over Clear CR built?

It was built in 1999, making it 26 years old in 2025.

What condition is County RD 431 over Clear 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 January 2025.

How much traffic does County RD 431 over Clear CR carry?

About 5 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is County RD 431 over Clear CR?

The structure is 118 ft (36 m) long with a longest span of 50 ft (15.2 m) and a deck 27 ft wide.

Who owns County RD 431 over Clear CR?

It is owned by the County Highway Agency.