US Bridges

US 54 W over Little Gravois CR

Fair

Miller County, Missouri · S 7 T 40 N R 15 W · Structure no. 1368

Built
1966
59 years old
Condition
Fair
inspected December 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
212 ft
3 main spans
Daily traffic
7,933
2024 count
Owner
State
State Highway Agency

About this bridge

US 54 W over Little Gravois CR is a steel continuous stringer/multi-beam or girder carrying US 54 W over Little Gravois CR in Miller County, Missouri. It was built in 1966, so it is 59 years old, older than the Missouri average of 45.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 7,933 vehicles a day, roughly 11% of them trucks, projected to reach 13,883 by 2044. The structure is 212 ft (64.6 m) long and 35 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesUS 54 W
CrossesLittle Gravois CR
LocationS 7 T 40 N R 15 W
RouteU.S. Route 54
CountyMiller County
StateMissouri
Coordinates38.23362, -92.62144
Functional classRural Principal Arterial - Other

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
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 adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating40.7 US tons
Inventory rating23.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length212 ft (64.6 m)
Longest span82 ft (25 m)
Deck width35 ft (10.6 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,933 (2024)
Projected traffic13,883 by 2044
Trucks11%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 US 54 W over Little Gravois CR built?

It was built in 1966, making it 59 years old in 2025.

What condition is US 54 W over Little Gravois CR in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in December 2024.

How much traffic does US 54 W over Little Gravois CR carry?

About 7,933 vehicles per day (2024 count), of which roughly 11% are trucks.

How long is US 54 W over Little Gravois CR?

The structure is 212 ft (64.6 m) long with a longest span of 82 ft (25 m) and a deck 35 ft wide.

Who owns US 54 W over Little Gravois CR?

It is owned by the State Highway Agency.