US Bridges

I-40 EB over Harrison Street

Fair

Mohave County, Arizona · 1.23 MI W JCT 66 · Structure no. 01847

Built
1980
45 years old
Condition
Fair
inspected December 2024
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete
Length
97 ft
1 main span
Daily traffic
16,095
2021 count
Owner
State
State Highway Agency

About this bridge

I-40 EB over Harrison Street is a prestressed concrete box beam or girders - single or spread carrying I-40 EB over Harrison Street in Mohave County, Arizona. It was built in 1980, so it is 45 years old, younger 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 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 16,095 vehicles a day, roughly 28% of them trucks, projected to reach 16,105 by 2041. The structure is 97 ft (29.6 m) long and 45 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesI-40 EB
CrossesHarrison Street
Location1.23 MI W JCT 66
RouteInterstate 40
CountyMohave County
StateArizona
Coordinates35.2169, -114.025
Functional classUrban 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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating84 US tons
Inventory rating49.1 US tons

Structure

Structure typeBox Beam or Girders - Single or Spread
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length97 ft (29.6 m)
Longest span94 ft (28.7 m)
Deck width45 ft (13.8 m)
Roadway width42 ft (12.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic16,095 (2021)
Projected traffic16,105 by 2041
Trucks28%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-40 EB over Harrison Street built?

It was built in 1980, making it 45 years old in 2025.

What condition is I-40 EB over Harrison Street 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 December 2024.

How much traffic does I-40 EB over Harrison Street carry?

About 16,095 vehicles per day (2021 count), of which roughly 28% are trucks.

How long is I-40 EB over Harrison Street?

The structure is 97 ft (29.6 m) long with a longest span of 94 ft (28.7 m) and a deck 45 ft wide.

Who owns I-40 EB over Harrison Street?

It is owned by the State Highway Agency.