US Bridges

Bu 54 E over Blythes CR

Fair

Miller County, Missouri · S 27 T 42 N R 15 W · Structure no. 4573

Built
1922
103 years old, rebuilt 1932
Condition
Fair
inspected November 2024
Type
Culvert
Concrete Continuous
Length
28 ft
2 main spans
Daily traffic
4,950
2024 count
Owner
State
State Highway Agency

About this bridge

Bu 54 E over Blythes CR is a concrete continuous culvert carrying Bu 54 E over Blythes CR in Miller County, Missouri. It was built in 1922 and reconstructed in 1932, so it is 103 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 4,950 vehicles a day, roughly 13% of them trucks, projected to reach 10,395 by 2044. The structure is 28 ft (8.6 m) long. If it were closed, the detour would be 3.7 mi (6 km).

CarriesBu 54 E
CrossesBlythes CR
LocationS 27 T 42 N R 15 W
RouteState Highway 54
Coordinates38.36389, -92.55754
Functional classRural Minor Arterial

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 inspectionNovember 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 alignment6: Equal to present minimum criteria
Operating rating110.1 US tons
Inventory rating69.4 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadH 15
Structure length28 ft (8.6 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 traffic4,950 (2024)
Projected traffic10,395 by 2044
Trucks13%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

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 Bu 54 E over Blythes CR built?

It was built in 1922, making it 103 years old in 2025. It was reconstructed in 1932.

What condition is Bu 54 E over Blythes 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 November 2024.

How much traffic does Bu 54 E over Blythes CR carry?

About 4,950 vehicles per day (2024 count), of which roughly 13% are trucks.

How long is Bu 54 E over Blythes CR?

The structure is 28 ft (8.6 m) long with a longest span of 12 ft (3.7 m).

Who owns Bu 54 E over Blythes CR?

It is owned by the State Highway Agency.