US Bridges

338 TH ST over Br of W Fk Grand R

Good

Gentry County, Missouri · S 28 T 63 N R 32 W · Structure no. 28477

Built
2000
25 years old
Condition
Good
inspected February 2023
Type
Slab
Concrete
Length
31 ft
1 main span
Daily traffic
5
2024 count
Owner
County
County Highway Agency

About this bridge

338 TH ST over Br of W Fk Grand R is a concrete slab carrying 338 TH ST over Br of W Fk Grand R in Gentry County, Missouri. It was built in 2000, so it is 25 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 31 ft (9.4 m) long and 20 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Carries338 TH ST
CrossesBr of W Fk Grand R
LocationS 28 T 63 N R 32 W
RouteCounty Highway 256
Coordinates40.23071, -94.46529
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.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating71.4 US tons
Inventory rating42.7 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans1
Design loadOther
Structure length31 ft (9.4 m)
Longest span29 ft (8.8 m)
Deck width20 ft (6.1 m)
Roadway width20 ft (6.1 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 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 338 TH ST over Br of W Fk Grand R built?

It was built in 2000, making it 25 years old in 2025.

What condition is 338 TH ST over Br of W Fk Grand R 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 February 2023.

How much traffic does 338 TH ST over Br of W Fk Grand R carry?

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

How long is 338 TH ST over Br of W Fk Grand R?

The structure is 31 ft (9.4 m) long with a longest span of 29 ft (8.8 m) and a deck 20 ft wide.

Who owns 338 TH ST over Br of W Fk Grand R?

It is owned by the County Highway Agency.