US Bridges

Fdr 274 over Vallecitos River

FairPosted for load

Rio Arriba County, New Mexico · 3.4 Nw/O Nm 111 Int · Structure no. 030202000001023

Built
1959
66 years old
Condition
Fair
inspected July 2024
Type
Slab
Concrete Continuous
Length
80 ft
3 main spans
Daily traffic
125
2022 count
Owner
Federal
U.S. Forest Service

About this bridge

Fdr 274 over Vallecitos River is a concrete continuous slab carrying Fdr 274 over Vallecitos River in Rio Arriba County, New Mexico. It was built in 1959, so it is 66 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. Its operating status is: posted for load restriction.

It carries about 125 vehicles a day, roughly 5% of them trucks, projected to reach 155 by 2040. The structure is 80 ft (24.4 m) long and 16 ft wide. If it were closed, the detour would be 98.2 mi (158 km).

Location

Open in Google Maps
CarriesFdr 274
CrossesVallecitos River
Location3.4 Nw/O Nm 111 Int
RouteFederal Lands Road 274
CountyRio Arriba County
StateNew Mexico
Coordinates36.59229, -106.18431
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating13.6 US tons
Inventory rating10.4 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length80 ft (24.4 m)
Longest span26 ft (7.9 m)
Deck width16 ft (4.9 m)
Roadway width14 ft (4.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic125 (2022)
Projected traffic155 by 2040
Trucks5%
Lanes on structure1
Traffic directionOne-lane bridge for two-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$500,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Fdr 274 over Vallecitos River built?

It was built in 1959, making it 66 years old in 2025.

What condition is Fdr 274 over Vallecitos 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 274 over Vallecitos River carry?

About 125 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is Fdr 274 over Vallecitos River?

The structure is 80 ft (24.4 m) long with a longest span of 26 ft (7.9 m) and a deck 16 ft wide.

Who owns Fdr 274 over Vallecitos River?

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