US Bridges

IRR US 60 over Salt River

Fair

Gila County, Arizona · 25.2 MI W JCT SR 73 · Structure no. 01929

Built
1993
32 years old
Condition
Fair
inspected September 2024
Type
Arch - Deck
Steel
Length
379 ft
1 main span
Daily traffic
3,004
2024 count
Owner
State
State Highway Agency

About this bridge

IRR US 60 over Salt River is a steel arch - deck carrying IRR US 60 over Salt River in Gila County, Arizona. It was built in 1993, so it is 32 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 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 3,004 vehicles a day, roughly 11% of them trucks, projected to reach 3,014 by 2042. The structure is 379 ft (115.5 m) long and 48 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

Location

Open in Google Maps
CarriesIRR US 60
CrossesSalt River
Location25.2 MI W JCT SR 73
RouteU.S. Route 60
CountyGila County
StateArizona
Coordinates33.7975, -110.5039
Functional classRural Minor Arterial

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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating54 US tons
Inventory rating32 US tons

Structure

Structure typeArch - Deck
MaterialSteel
DeckConcrete, cast-in-place
Main spans1 (+3 approach)
Design loadHS 20
Structure length379 ft (115.5 m)
Longest span186 ft (56.7 m)
Deck width48 ft (14.5 m)
Roadway width45 ft (13.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,004 (2024)
Projected traffic3,014 by 2042
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 km)
TollOn a free road
National Highway SystemNo

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 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was IRR US 60 over Salt River built?

It was built in 1993, making it 32 years old in 2025.

What condition is IRR US 60 over Salt River 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 September 2024.

How much traffic does IRR US 60 over Salt River carry?

About 3,004 vehicles per day (2024 count), of which roughly 11% are trucks.

How long is IRR US 60 over Salt River?

The structure is 379 ft (115.5 m) long with a longest span of 186 ft (56.7 m) and a deck 48 ft wide.

Who owns IRR US 60 over Salt River?

It is owned by the State Highway Agency.