US Bridges

US 54 E over Yarnall Br

Fair

Cedar County, Missouri · S 17 T 36 N R 26 W · Structure no. 5601

Built
1932
93 years old, rebuilt 1998
Condition
Fair
inspected January 2024
Type
Culvert
Concrete Continuous
Length
33 ft
2 main spans
Daily traffic
2,035
2024 count
Owner
State
State Highway Agency

About this bridge

US 54 E over Yarnall Br is a concrete continuous culvert carrying US 54 E over Yarnall Br in Cedar County, Missouri. It was built in 1932 and reconstructed in 1998, so it is 93 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 5 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 2,035 vehicles a day, roughly 22% of them trucks, projected to reach 3,561 by 2044. The structure is 33 ft (10.1 m) long. If it were closed, the detour would be 21.7 mi (35 km).

Location

Open in Google Maps
CarriesUS 54 E
CrossesYarnall Br
LocationS 17 T 36 N R 26 W
RouteU.S. Route 54
CountyCedar County
StateMissouri
Coordinates37.89105, -93.81747
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.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating110.1 US tons
Inventory rating73.4 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadOther
Structure length33 ft (10.1 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,035 (2024)
Projected traffic3,561 by 2044
Trucks22%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed21.7 mi (35 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 Yarnall Br built?

It was built in 1932, making it 93 years old in 2025. It was reconstructed in 1998.

What condition is US 54 E over Yarnall 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 January 2024.

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

About 2,035 vehicles per day (2024 count), of which roughly 22% are trucks.

How long is US 54 E over Yarnall Br?

The structure is 33 ft (10.1 m) long with a longest span of 12 ft (3.7 m).

Who owns US 54 E over Yarnall Br?

It is owned by the State Highway Agency.