US Bridges

Forest 80 over Crevice

FairPosted for load

Maricopa County, Arizona · 3.25 MI N/O Apache Trail · Structure no. 3356

Built
1942
83 years old
Condition
Fair
inspected December 2023
Type
Girder and Floorbeam System
Steel
Length
54 ft
1 main span
Daily traffic
30
2021 count
Owner
Federal
Bureau of Reclamation

About this bridge

Forest 80 over Crevice is a steel girder and floorbeam system carrying Forest 80 over Crevice in Maricopa County, Arizona. It was built in 1942, so it is 83 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 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 30 vehicles a day, projected to reach 30 by 2040. The structure is 54 ft (16.6 m) long and 54 ft wide. If it were closed, the detour would be 198.8 mi (320 km).

CarriesForest 80
CrossesCrevice
Location3.25 MI N/O Apache Trail
RouteFederal Lands Road 0
StateArizona
Coordinates33.57479, -111.35485
Functional classRural Local

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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating56.1 US tons
Inventory rating30.8 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length54 ft (16.6 m)
Longest span54 ft (16.6 m)
Deck width54 ft (16.6 m)
Roadway width54 ft (16.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic30 (2021)
Projected traffic30 by 2040
Trucks—
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesOther
Detour if closed198.8 mi (320 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerBureau of Reclamation
Maintained byPrivate (other than railroad)
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Forest 80 over Crevice built?

It was built in 1942, making it 83 years old in 2025.

What condition is Forest 80 over Crevice 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 2023.

How much traffic does Forest 80 over Crevice carry?

About 30 vehicles per day (2021 count).

How long is Forest 80 over Crevice?

The structure is 54 ft (16.6 m) long with a longest span of 54 ft (16.6 m) and a deck 54 ft wide.

Who owns Forest 80 over Crevice?

It is owned by the Bureau of Reclamation and maintained by the Private (other than railroad).