US Bridges

307 TH ST over Trib of Grand Rvr

Good

Gentry County, Missouri · S 11 T 63 N R 31 W · Structure no. 32484

Built
2008
17 years old
Condition
Good
inspected January 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
26 ft
1 main span
Daily traffic
5
2024 count
Owner
County
County Highway Agency

About this bridge

307 TH ST over Trib of Grand Rvr is a steel stringer/multi-beam or girder carrying 307 TH ST over Trib of Grand Rvr in Gentry County, Missouri. It was built in 2008, so it is 17 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 5 vehicles a day, roughly 10% of them trucks, projected to reach 6 by 2044. The structure is 26 ft (7.8 m) long and 20 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

Carries307 TH ST
CrossesTrib of Grand Rvr
LocationS 11 T 63 N R 31 W
RouteCounty Highway 152
Coordinates40.27381, -94.36707
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 protection7 GoodSome minor problems.
Last inspectionJanuary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating40.7 US tons
Inventory rating24.8 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length26 ft (7.8 m)
Longest span23 ft (7.1 m)
Deck width20 ft (6.2 m)
Roadway width20 ft (6.2 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 closed98.8 mi (159 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 307 TH ST over Trib of Grand Rvr built?

It was built in 2008, making it 17 years old in 2025.

What condition is 307 TH ST over Trib of Grand Rvr 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 January 2023.

How much traffic does 307 TH ST over Trib of Grand Rvr carry?

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

How long is 307 TH ST over Trib of Grand Rvr?

The structure is 26 ft (7.8 m) long with a longest span of 23 ft (7.1 m) and a deck 20 ft wide.

Who owns 307 TH ST over Trib of Grand Rvr?

It is owned by the County Highway Agency.