US Bridges

Jameson Trail over Walnut Fk

Good

Gentry County, Missouri · S 34 T 62 N R 32 W · Structure no. 31112

Built
2004
21 years old
Condition
Good
inspected March 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
31 ft
1 main span
Daily traffic
10
2024 count
Owner
County
County Highway Agency

About this bridge

Jameson Trail over Walnut Fk is a steel stringer/multi-beam or girder carrying Jameson Trail over Walnut Fk in Gentry County, Missouri. It was built in 2004, so it is 21 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 10 vehicles a day, roughly 10% of them trucks, projected to reach 12 by 2044. The structure is 31 ft (9.6 m) long and 18 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Location

Open in Google Maps
CarriesJameson Trail
CrossesWalnut Fk
LocationS 34 T 62 N R 32 W
RouteCounty Highway 357
CountyGentry County
StateMissouri
Coordinates40.13971, -94.48301
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating51.6 US tons
Inventory rating30.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length31 ft (9.6 m)
Longest span29 ft (8.8 m)
Deck width18 ft (5.5 m)
Roadway width18 ft (5.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10 (2024)
Projected traffic12 by 2044
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 Jameson Trail over Walnut Fk built?

It was built in 2004, making it 21 years old in 2025.

What condition is Jameson Trail over Walnut 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 March 2023.

How much traffic does Jameson Trail over Walnut Fk carry?

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

How long is Jameson Trail over Walnut Fk?

The structure is 31 ft (9.6 m) long with a longest span of 29 ft (8.8 m) and a deck 18 ft wide.

Who owns Jameson Trail over Walnut Fk?

It is owned by the County Highway Agency.