US Bridges

Fdr 376 over Gilman Canyon

Good

Sandoval County, New Mexico · 5.3 MI Nw/O Nm 485/4 JCT · Structure no. 031003000003012

Built
1973
52 years old
Condition
Good
inspected June 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
55 ft
1 main span
Daily traffic
250
2021 count
Owner
Federal
U.S. Forest Service

About this bridge

Fdr 376 over Gilman Canyon is a prestressed concrete box beam or girders - multiple carrying Fdr 376 over Gilman Canyon in Sandoval County, New Mexico. It was built in 1973, so it is 52 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 250 vehicles a day, roughly 10% of them trucks, projected to reach 299 by 2042. The structure is 55 ft (16.7 m) long and 16 ft wide. If it were closed, the detour would be 5.6 mi (9 km).

CarriesFdr 376
CrossesGilman Canyon
Location5.3 MI Nw/O Nm 485/4 JCT
RouteFederal Lands Road 376
Coordinates35.73247, -106.76441
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.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment8: Equal to present desirable criteria
Operating rating30.8 US tons
Inventory rating23.6 US tons

Structure

MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 20
Structure length55 ft (16.7 m)
Longest span53 ft (16.2 m)
Deck width16 ft (4.9 m)
Roadway width16 ft (4.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic250 (2021)
Projected traffic299 by 2042
Trucks10%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesOther
Detour if closed5.6 mi (9 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 proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Fdr 376 over Gilman Canyon built?

It was built in 1973, making it 52 years old in 2025.

What condition is Fdr 376 over Gilman Canyon 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 Fdr 376 over Gilman Canyon carry?

About 250 vehicles per day (2021 count), of which roughly 10% are trucks.

How long is Fdr 376 over Gilman Canyon?

The structure is 55 ft (16.7 m) long with a longest span of 53 ft (16.2 m) and a deck 16 ft wide.

Who owns Fdr 376 over Gilman Canyon?

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