US Bridges

FSR 970 over W. Fork Gila River

Good

Catron County, New Mexico · 38.8 MI N. Silver City Nm · Structure no. 030608000001031

Built
1965
60 years old, rebuilt 1987
Condition
Good
inspected October 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
285 ft
6 main spans
Daily traffic
500
2022 count
Owner
Federal
U.S. Forest Service

About this bridge

FSR 970 over W. Fork Gila River is a prestressed concrete stringer/multi-beam or girder carrying FSR 970 over W. Fork Gila River in Catron County, New Mexico. It was built in 1965 and reconstructed in 1987, so it is 60 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 500 vehicles a day, roughly 5% of them trucks, projected to reach 599 by 2042. The structure is 285 ft (86.8 m) long and 29 ft wide. If it were closed, the detour would be 98.2 mi (158 km).

CarriesFSR 970
CrossesW. Fork Gila River
Location38.8 MI N. Silver City Nm
RouteFederal Lands Road 970
Coordinates33.22184, -108.24203
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 protection7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating53.6 US tons
Inventory rating25 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans6
Design loadHS 20
Structure length285 ft (86.8 m)
Longest span48 ft (14.5 m)
Deck width29 ft (8.8 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic500 (2022)
Projected traffic599 by 2042
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.2 mi (158 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerU.S. Forest Service
Maintained byU.S. Forest Service
Historic statusHistorical significance not determinable at this time
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1.5 million
NavigationNo navigation control on waterway

Frequently asked questions

When was FSR 970 over W. Fork Gila River built?

It was built in 1965, making it 60 years old in 2025. It was reconstructed in 1987.

What condition is FSR 970 over W. Fork 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 October 2024.

How much traffic does FSR 970 over W. Fork Gila River carry?

About 500 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is FSR 970 over W. Fork Gila River?

The structure is 285 ft (86.8 m) long with a longest span of 48 ft (14.5 m) and a deck 29 ft wide.

Who owns FSR 970 over W. Fork Gila River?

It is owned by the U.S. Forest Service.