US Bridges

US-180 over Gila River

Good

Grant County, New Mexico · 28.00 MI NW of JCT NM90 · Structure no. 000000000006684

Built
1966
59 years old
Condition
Good
inspected June 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
433 ft
6 main spans
Daily traffic
1,448
2023 count
Owner
State
State Highway Agency

About this bridge

US-180 over Gila River is a prestressed concrete stringer/multi-beam or girder carrying US-180 over Gila River in Grant County, New Mexico. It was built in 1966, so it is 59 years old, older than the New Mexico average of 51.5 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.

It carries about 1,448 vehicles a day, roughly 11% of them trucks, projected to reach 1,969 by 2043. The structure is 433 ft (132.1 m) long and 33 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesUS-180
CrossesGila River
Location28.00 MI NW of JCT NM90
RouteU.S. Route 180
Coordinates32.94571, -108.60753
Functional classRural Minor Arterial

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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.4 US tons
Inventory rating30 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans6
Design loadHS 20
Structure length433 ft (132.1 m)
Longest span72 ft (21.9 m)
Deck width33 ft (10.2 m)
Roadway width31 ft (9.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,448 (2023)
Projected traffic1,969 by 2043
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was US-180 over Gila River built?

It was built in 1966, making it 59 years old in 2025.

What condition is US-180 over Gila River 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 June 2023.

How much traffic does US-180 over Gila River carry?

About 1,448 vehicles per day (2023 count), of which roughly 11% are trucks.

How long is US-180 over Gila River?

The structure is 433 ft (132.1 m) long with a longest span of 72 ft (21.9 m) and a deck 33 ft wide.

Who owns US-180 over Gila River?

It is owned by the State Highway Agency.