US Bridges

US 54 E over Hamann Br

Fair

Cole County, Missouri · S 26 T 44 N R 12 W · Structure no. 5929

Built
1941
84 years old, rebuilt 1965
Condition
Fair
inspected July 2024
Type
Culvert
Concrete Continuous
Length
38 ft
2 main spans
Daily traffic
39,389
2024 count
Owner
State
State Highway Agency

About this bridge

US 54 E over Hamann Br is a concrete continuous culvert carrying US 54 E over Hamann Br in Cole County, Missouri. It was built in 1941 and reconstructed in 1965, so it is 84 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 39,389 vehicles a day, roughly 16% of them trucks, projected to reach 68,931 by 2044. The structure is 38 ft (11.5 m) long. If it were closed, the detour would be 0.6 mi (1 km).

CarriesUS 54 E
CrossesHamann Br
LocationS 26 T 44 N R 12 W
RouteU.S. Route 54
Coordinates38.52733, -92.22228
Functional classUrban Principal Arterial - Other Freeway or Expressway

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 inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating52.6 US tons
Inventory rating31.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadH 20
Structure length38 ft (11.5 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic39,389 (2024)
Projected traffic68,931 by 2044
Trucks16%
Lanes on structure6
Traffic directionTwo-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 E over Hamann Br built?

It was built in 1941, making it 84 years old in 2025. It was reconstructed in 1965.

What condition is US 54 E over Hamann Br 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 July 2024.

How much traffic does US 54 E over Hamann Br carry?

About 39,389 vehicles per day (2024 count), of which roughly 16% are trucks.

How long is US 54 E over Hamann Br?

The structure is 38 ft (11.5 m) long with a longest span of 10 ft (3 m).

Who owns US 54 E over Hamann Br?

It is owned by the State Highway Agency.