US Bridges

Fdr 42 over Tusas River

Fair

Rio Arriba County, New Mexico · 0.15 MI W/O US 64 Int · Structure no. 030206000001015

Built
1937
88 years old
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
43 ft
2 main spans
Daily traffic
75
2022 count
Owner
Federal
U.S. Forest Service

About this bridge

Fdr 42 over Tusas River is a wood or timber stringer/multi-beam or girder carrying Fdr 42 over Tusas River in Rio Arriba County, New Mexico. It was built in 1937, so it is 88 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 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 75 vehicles a day, projected to reach 99 by 2040. The structure is 43 ft (13 m) long and 15 ft wide. If it were closed, the detour would be 20.5 mi (33 km).

CarriesFdr 42
CrossesTusas River
Location0.15 MI W/O US 64 Int
RouteFederal Lands Road 42
Coordinates36.64158, -106.06612
Functional classRural Local

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
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 rating25 US tons
Inventory rating19.3 US tons

Structure

MaterialWood or Timber
DeckWood or timber
Main spans2
Design loadUnknown
Structure length43 ft (13 m)
Longest span21 ft (6.5 m)
Deck width15 ft (4.5 m)
Roadway width13 ft (4.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic75 (2022)
Projected traffic99 by 2040
Trucks—
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed20.5 mi (33 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$330,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Fdr 42 over Tusas River built?

It was built in 1937, making it 88 years old in 2025.

What condition is Fdr 42 over Tusas 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 July 2024.

How much traffic does Fdr 42 over Tusas River carry?

About 75 vehicles per day (2022 count).

How long is Fdr 42 over Tusas River?

The structure is 43 ft (13 m) long with a longest span of 21 ft (6.5 m) and a deck 15 ft wide.

Who owns Fdr 42 over Tusas River?

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