US Bridges

Clays Fork RD over Clays Fk

GoodPosted for load

Boone County, Missouri · S 7 T 49 N R 12 W · Structure no. 17094

Built
1982
43 years old
Condition
Good
inspected December 2024
Type
Tee Beam
Prestressed Concrete
Length
51 ft
1 main span
Daily traffic
250
2023 count
Owner
County
County Highway Agency

About this bridge

Clays Fork RD over Clays Fk is a prestressed concrete tee beam carrying Clays Fork RD over Clays Fk in Boone County, Missouri. It was built in 1982, so it is 43 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. Its operating status is: posted for load restriction.

It carries about 250 vehicles a day, roughly 3% of them trucks, projected to reach 475 by 2043. The structure is 51 ft (15.5 m) long and 23 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesClays Fork RD
CrossesClays Fk
LocationS 7 T 49 N R 12 W
RouteCounty Highway 142
Coordinates39.03982, -92.30994
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.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating55.6 US tons
Inventory rating28.8 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length51 ft (15.5 m)
Longest span50 ft (15.2 m)
Deck width23 ft (6.9 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic250 (2023)
Projected traffic475 by 2043
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 Clays Fork RD over Clays Fk built?

It was built in 1982, making it 43 years old in 2025.

What condition is Clays Fork RD over Clays Fk 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 2024.

How much traffic does Clays Fork RD over Clays Fk carry?

About 250 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is Clays Fork RD over Clays Fk?

The structure is 51 ft (15.5 m) long with a longest span of 50 ft (15.2 m) and a deck 23 ft wide.

Who owns Clays Fork RD over Clays Fk?

It is owned by the County Highway Agency.