US Bridges

US-84/285/SFCR 84J over Rio Nambe

Fair

Santa Fe County, New Mexico · US 84/285 & Nm 503 Jct. · Structure no. 000000000008997

Built
2001
24 years old
Condition
Fair
inspected November 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
176 ft
3 main spans
Daily traffic
23,367
2023 count
Owner
State
State Highway Agency

About this bridge

US-84/285/SFCR 84J over Rio Nambe is a prestressed concrete continuous box beam or girders - multiple carrying US-84/285/SFCR 84J over Rio Nambe in Santa Fe County, New Mexico. It was built in 2001, so it is 24 years old, younger 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 23,367 vehicles a day, roughly 17% of them trucks, projected to reach 31,779 by 2043. The structure is 176 ft (53.5 m) long and 174 ft wide. If it were closed, the detour would be 24.9 mi (40 km).

CarriesUS-84/285/SFCR 84J
CrossesRio Nambe
LocationUS 84/285 & Nm 503 Jct.
RouteU.S. Route 84
Coordinates35.8967, -106.02137
Functional classRural Principal Arterial - Other

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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating73.6 US tons
Inventory rating44.1 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length176 ft (53.5 m)
Longest span58 ft (17.6 m)
Deck width174 ft (53 m)
Roadway width142 ft (43.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic23,367 (2023)
Projected traffic31,779 by 2043
Trucks17%
Lanes on structure9
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed24.9 mi (40 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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-84/285/SFCR 84J over Rio Nambe built?

It was built in 2001, making it 24 years old in 2025.

What condition is US-84/285/SFCR 84J over Rio Nambe 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 November 2023.

How much traffic does US-84/285/SFCR 84J over Rio Nambe carry?

About 23,367 vehicles per day (2023 count), of which roughly 17% are trucks.

How long is US-84/285/SFCR 84J over Rio Nambe?

The structure is 176 ft (53.5 m) long with a longest span of 58 ft (17.6 m) and a deck 174 ft wide.

Who owns US-84/285/SFCR 84J over Rio Nambe?

It is owned by the State Highway Agency.