US Bridges

Wagon Trail RD over Clays Fk

FairPosted for load

Boone County, Missouri · S 18 T 49 N R 12 W · Structure no. 16827

Built
1976
49 years old
Condition
Fair
inspected December 2024
Type
Channel Beam
Concrete
Length
35 ft
1 main span
Daily traffic
500
2023 count
Owner
County
County Highway Agency

About this bridge

Wagon Trail RD over Clays Fk is a concrete channel beam carrying Wagon Trail RD over Clays Fk in Boone County, Missouri. It was built in 1976, so it is 49 years old, older 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. Its operating status is: posted for load restriction.

It carries about 500 vehicles a day, roughly 4% of them trucks, projected to reach 950 by 2043. The structure is 35 ft (10.7 m) long and 29 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesWagon Trail RD
CrossesClays Fk
LocationS 18 T 49 N R 12 W
RouteCounty Highway 134
CountyBoone County
StateMissouri
Coordinates39.03533, -92.31661
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusPosted for load 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 adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating87.3 US tons
Inventory rating52.6 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans1
Design loadOther
Structure length35 ft (10.7 m)
Longest span32 ft (9.8 m)
Deck width29 ft (8.7 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic500 (2023)
Projected traffic950 by 2043
Trucks4%
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 Wagon Trail RD over Clays Fk built?

It was built in 1976, making it 49 years old in 2025.

What condition is Wagon Trail RD over Clays Fk 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 December 2024.

How much traffic does Wagon Trail RD over Clays Fk carry?

About 500 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is Wagon Trail RD over Clays Fk?

The structure is 35 ft (10.7 m) long with a longest span of 32 ft (9.8 m) and a deck 29 ft wide.

Who owns Wagon Trail RD over Clays Fk?

It is owned by the County Highway Agency.