US Bridges

US 54 E over Br of Spencer CR

Fair

Audrain County, Missouri · S 5 T 52 N R 5 W · Structure no. 4927

Built
1926
99 years old
Condition
Fair
inspected October 2023
Type
Culvert
Concrete Continuous
Length
26 ft
4 main spans
Daily traffic
3,849
2024 count
Owner
State
State Highway Agency

About this bridge

US 54 E over Br of Spencer CR is a concrete continuous culvert carrying US 54 E over Br of Spencer CR in Audrain County, Missouri. It was built in 1926, so it is 99 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 3,849 vehicles a day, roughly 25% of them trucks, projected to reach 7,313 by 2044. The structure is 26 ft (7.9 m) long and 34 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

Location

Open in Google Maps
CarriesUS 54 E
CrossesBr of Spencer CR
LocationS 5 T 52 N R 5 W
RouteU.S. Route 54
CountyAudrain County
StateMissouri
Coordinates39.31374, -91.48131
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
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 rating46.6 US tons
Inventory rating27.8 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans4
Design loadH 15
Structure length26 ft (7.9 m)
Longest span6 ft (1.8 m)
Deck width34 ft (10.4 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,849 (2024)
Projected traffic7,313 by 2044
Trucks25%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.8 mi (19 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 E over Br of Spencer CR built?

It was built in 1926, making it 99 years old in 2025.

What condition is US 54 E over Br of Spencer 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 October 2023.

How much traffic does US 54 E over Br of Spencer CR carry?

About 3,849 vehicles per day (2024 count), of which roughly 25% are trucks.

How long is US 54 E over Br of Spencer CR?

The structure is 26 ft (7.9 m) long with a longest span of 6 ft (1.8 m) and a deck 34 ft wide.

Who owns US 54 E over Br of Spencer CR?

It is owned by the State Highway Agency.