US Bridges

548 TH Road over Br of Grand Rvr

Good

Gentry County, Missouri · S 26 T 64 N R 31 W · Structure no. 15000

Built
2000
25 years old
Condition
Good
inspected January 2023
Type
Slab
Concrete
Length
31 ft
1 main span
Daily traffic
15
2024 count
Owner
County
County Highway Agency

About this bridge

548 TH Road over Br of Grand Rvr is a concrete slab carrying 548 TH Road over Br of Grand Rvr 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 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 15 vehicles a day, roughly 10% of them trucks, projected to reach 17 by 2044. The structure is 31 ft (9.4 m) long and 20 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
Carries548 TH Road
CrossesBr of Grand Rvr
LocationS 26 T 64 N R 31 W
RouteCounty Highway 81
CountyGentry County
StateMissouri
Coordinates40.31839, -94.35542
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 evaluation8: Equal to present desirable criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating72.4 US tons
Inventory rating43.7 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 m)
Roadway width20 ft (6 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 closed5 mi (8 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 548 TH Road over Br of Grand Rvr built?

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

What condition is 548 TH Road over Br 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 548 TH Road over Br of Grand Rvr carry?

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

How long is 548 TH Road over Br of Grand Rvr?

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 548 TH Road over Br of Grand Rvr?

It is owned by the County Highway Agency.