US Bridges

I 40; WB over Peacock Wash

Fair

Mohave County, Arizona · 1.5 MI E of JCT US 93 · Structure no. 01251

Built
1967
58 years old, rebuilt 1978
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
239 ft
3 main spans
Daily traffic
8,443
2022 count
Owner
State
State Highway Agency

About this bridge

I 40; WB over Peacock Wash is a steel continuous stringer/multi-beam or girder carrying I 40; WB over Peacock Wash in Mohave County, Arizona. It was built in 1967 and reconstructed in 1978, so it is 58 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 8,443 vehicles a day, roughly 26% of them trucks, projected to reach 8,453 by 2042. The structure is 239 ft (72.8 m) long and 43 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesI 40; WB
CrossesPeacock Wash
Location1.5 MI E of JCT US 93
RouteInterstate 40
CountyMohave County
StateArizona
Coordinates35.1619, -113.6702
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating70 US tons
Inventory rating42 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length239 ft (72.8 m)
Longest span90 ft (27.4 m)
Deck width43 ft (13 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,443 (2022)
Projected traffic8,453 by 2042
Trucks26%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was I 40; WB over Peacock Wash built?

It was built in 1967, making it 58 years old in 2025. It was reconstructed in 1978.

What condition is I 40; WB over Peacock 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 August 2024.

How much traffic does I 40; WB over Peacock Wash carry?

About 8,443 vehicles per day (2022 count), of which roughly 26% are trucks.

How long is I 40; WB over Peacock Wash?

The structure is 239 ft (72.8 m) long with a longest span of 90 ft (27.4 m) and a deck 43 ft wide.

Who owns I 40; WB over Peacock Wash?

It is owned by the State Highway Agency.