US Bridges

Forest 80 over Fish Creek

GoodPosted for load

Maricopa County, Arizona · 3.5 MI N/O Apache Trail · Structure no. 3355

Built
1900
125 years old
Condition
Good
inspected December 2023
Type
Truss - Thru
Steel
Length
92 ft
1 main span
Daily traffic
30
2020 count
Owner
Federal
Bureau of Reclamation

About this bridge

Forest 80 over Fish Creek is a steel truss - thru carrying Forest 80 over Fish Creek in Maricopa County, Arizona. It was built in 1900, so it is 125 years old, older than the Arizona average of 47.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. Its operating status is: posted for load restriction.

It carries about 30 vehicles a day, projected to reach 30 by 2040. The structure is 92 ft (28 m) long and 17 ft wide. If it were closed, the detour would be 198.8 mi (320 km).

CarriesForest 80
CrossesFish Creek
Location3.5 MI N/O Apache Trail
RouteFederal Lands Road 80
StateArizona
Coordinates33.57649, -111.35385
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating51.8 US tons
Inventory rating31.1 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckOpen grating
Main spans1
Design loadOther
Structure length92 ft (28 m)
Longest span90 ft (27.4 m)
Deck width17 ft (5.1 m)
Roadway width15 ft (4.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic30 (2020)
Projected traffic30 by 2040
Trucks—
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
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 Fish Creek built?

It was built in 1900, making it 125 years old in 2025.

What condition is Forest 80 over Fish Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in December 2023.

How much traffic does Forest 80 over Fish Creek carry?

About 30 vehicles per day (2020 count).

How long is Forest 80 over Fish Creek?

The structure is 92 ft (28 m) long with a longest span of 90 ft (27.4 m) and a deck 17 ft wide.

Who owns Forest 80 over Fish Creek?

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