US Bridges

BIA Route 85 over Peralta Wash

Good

Sandoval County, New Mexico · S Cochiti Pueblo · Structure no. 0000M20704B0001

Built
2016
9 years old
Condition
Good
inspected March 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
250 ft
3 main spans
Daily traffic
284
2023 count
Owner
Federal
Bureau of Indian Affairs

About this bridge

BIA Route 85 over Peralta Wash is a prestressed concrete box beam or girders - multiple carrying BIA Route 85 over Peralta Wash in Sandoval County, New Mexico. It was built in 2016, so it is 9 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 good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 284 vehicles a day, roughly 5% of them trucks, projected to reach 381 by 2043. The structure is 250 ft (76.2 m) long and 31 ft wide. If it were closed, the detour would be 18.6 mi (30 km).

CarriesBIA Route 85
CrossesPeralta Wash
LocationS Cochiti Pueblo
RouteFederal Lands Road 85
Coordinates35.60147, -106.35575
Functional classUrban Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating69.2 US tons
Inventory rating53.6 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadUnknown
Structure length250 ft (76.2 m)
Longest span84 ft (25.5 m)
Deck width31 ft (9.5 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic284 (2023)
Projected traffic381 by 2043
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed18.6 mi (30 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerBureau of Indian Affairs
Maintained byBureau of Indian Affairs
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 BIA Route 85 over Peralta Wash built?

It was built in 2016, making it 9 years old in 2025.

What condition is BIA Route 85 over Peralta Wash 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 March 2023.

How much traffic does BIA Route 85 over Peralta Wash carry?

About 284 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is BIA Route 85 over Peralta Wash?

The structure is 250 ft (76.2 m) long with a longest span of 84 ft (25.5 m) and a deck 31 ft wide.

Who owns BIA Route 85 over Peralta Wash?

It is owned by the Bureau of Indian Affairs.