US Bridges

512 TH Road over Br of Mid Fk Grand

Good

Gentry County, Missouri · S 8 T 64 N R 31 W · Structure no. 31682

Built
2005
20 years old
Condition
Good
inspected January 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
57 ft
1 main span
Daily traffic
15
2024 count
Owner
County
County Highway Agency

About this bridge

512 TH Road over Br of Mid Fk Grand is a steel stringer/multi-beam or girder carrying 512 TH Road over Br of Mid Fk Grand in Gentry County, Missouri. It was built in 2005, so it is 20 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 57 ft (17.4 m) long and 18 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
Carries512 TH Road
CrossesBr of Mid Fk Grand
LocationS 8 T 64 N R 31 W
RouteCounty Highway 65
CountyGentry County
StateMissouri
Coordinates40.3653, -94.41935
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.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating45.6 US tons
Inventory rating27.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length57 ft (17.4 m)
Longest span54 ft (16.6 m)
Deck width18 ft (5.5 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 structure2
Traffic directionTwo-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 statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was 512 TH Road over Br of Mid Fk Grand built?

It was built in 2005, making it 20 years old in 2025.

What condition is 512 TH Road 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 January 2023.

How much traffic does 512 TH Road over Br of Mid Fk Grand carry?

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

How long is 512 TH Road over Br of Mid Fk Grand?

The structure is 57 ft (17.4 m) long with a longest span of 54 ft (16.6 m) and a deck 18 ft wide.

Who owns 512 TH Road over Br of Mid Fk Grand?

It is owned by the County Highway Agency.