US Bridges

Eb/Wb & N/S Frntg. over Wash

Fair

Mohave County, Arizona · 2.6 MI South of JCT US 93 · Structure no. 04205

Built
1954
71 years old, rebuilt 1978
Condition
Fair
inspected November 2022
Type
Culvert
Concrete Continuous
Length
92 ft
6 main spans
Daily traffic
17,565
2021 count
Owner
State
State Highway Agency

About this bridge

Eb/Wb & N/S Frntg. over Wash is a concrete continuous culvert carrying Eb/Wb & N/S Frntg. over Wash in Mohave County, Arizona. It was built in 1954 and reconstructed in 1978, so it is 71 years old, older than the Arizona average of 47.8 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 17,565 vehicles a day, roughly 49% of them trucks, projected to reach 17,575 by 2041. The structure is 92 ft (28 m) long. If it were closed, the detour would be 19.3 mi (31 km).

Location

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CarriesEb/Wb & N/S Frntg.
CrossesWash
Location2.6 MI South of JCT US 93
RouteInterstate 40
CountyMohave County
StateArizona
Coordinates35.15902, -114.08096
Functional classRural Principal Arterial - Interstate

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 protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2022
Inspection intervalevery 48 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 rating99 US tons
Inventory rating80 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans6
Design loadHS 20
Structure length92 ft (28 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 traffic17,565 (2021)
Projected traffic17,575 by 2041
Trucks49%
Lanes on structure8
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed19.3 mi (31 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$2,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Eb/Wb & N/S Frntg. over Wash built?

It was built in 1954, making it 71 years old in 2025. It was reconstructed in 1978.

What condition is Eb/Wb & N/S Frntg. over Wash 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 2022.

How much traffic does Eb/Wb & N/S Frntg. over Wash carry?

About 17,565 vehicles per day (2021 count), of which roughly 49% are trucks.

How long is Eb/Wb & N/S Frntg. over Wash?

The structure is 92 ft (28 m) long with a longest span of 10 ft (3 m).

Who owns Eb/Wb & N/S Frntg. over Wash?

It is owned by the State Highway Agency.