US Bridges

Turkey Run Trail over Walnut Crk

Good

Adair County, Missouri · S 21 T 62 N R 17 W · Structure no. 37026

Built
2023
2 years old
Condition
Good
inspected May 2024
Type
Tee Beam
Prestressed Concrete
Length
95 ft
1 main span
Daily traffic
5
2023 count
Owner
County
County Highway Agency

About this bridge

Turkey Run Trail over Walnut Crk is a prestressed concrete tee beam carrying Turkey Run Trail over Walnut Crk in Adair County, Missouri. It was built in 2023, so it is 2 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 9 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 2043. The structure is 95 ft (29 m) long and 24 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesTurkey Run Trail
CrossesWalnut Crk
LocationS 21 T 62 N R 17 W
RouteCounty Highway 204
Coordinates40.15403, -92.8068
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
Deck9 ExcellentNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure9 ExcellentNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.5 US tons
Inventory rating35.7 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length95 ft (29 m)
Longest span91 ft (27.7 m)
Deck width24 ft (7.4 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5 (2023)
Projected traffic6 by 2043
Trucks10%
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 statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Turkey Run Trail over Walnut Crk built?

It was built in 2023, making it 2 years old in 2025.

What condition is Turkey Run Trail over Walnut Crk 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 May 2024.

How much traffic does Turkey Run Trail over Walnut Crk carry?

About 5 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is Turkey Run Trail over Walnut Crk?

The structure is 95 ft (29 m) long with a longest span of 91 ft (27.7 m) and a deck 24 ft wide.

Who owns Turkey Run Trail over Walnut Crk?

It is owned by the County Highway Agency.