US Bridges

338 TH ST over Br of Mid Fk Grand

Good

Gentry County, Missouri · S 29 T 63 N R 31 W · Structure no. 20204

Built
1998
27 years old
Condition
Good
inspected February 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
29 ft
1 main span
Daily traffic
15
2024 count
Owner
County
County Highway Agency

About this bridge

338 TH ST over Br of Mid Fk Grand is a steel stringer/multi-beam or girder carrying 338 TH ST over Br of Mid Fk Grand in Gentry County, Missouri. It was built in 1998, so it is 27 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 15 vehicles a day, roughly 10% of them trucks, projected to reach 17 by 2044. The structure is 29 ft (8.8 m) long and 18 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
Carries338 TH ST
CrossesBr of Mid Fk Grand
LocationS 29 T 63 N R 31 W
RouteCounty Highway 251
CountyGentry County
StateMissouri
Coordinates40.23029, -94.41221
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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no 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 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 rating30.8 US tons
Inventory rating18.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadOther
Structure length29 ft (8.8 m)
Longest span27 ft (8.2 m)
Deck width18 ft (5.6 m)
Roadway width18 ft (5.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15 (2024)
Projected traffic17 by 2044
Trucks10%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 Mid Fk Grand built?

It was built in 1998, making it 27 years old in 2025.

What condition is 338 TH ST over Br of Mid Fk Grand 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 Mid Fk Grand carry?

About 15 vehicles per day (2024 count), of which roughly 10% are trucks.

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

The structure is 29 ft (8.8 m) long with a longest span of 27 ft (8.2 m) and a deck 18 ft wide.

Who owns 338 TH ST over Br of Mid Fk Grand?

It is owned by the County Highway Agency.