US Bridges

BIA-37 over Wash

Fair

McKinley County, New Mexico · 15KM NE of Twin Lakes · Structure no. 0000N36780T0694

Built
1953
72 years old
Condition
Fair
inspected April 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
95 ft
6 main spans
Daily traffic
24
2023 count
Owner
Tribal
Indian Tribal Government

About this bridge

BIA-37 over Wash is a steel stringer/multi-beam or girder carrying BIA-37 over Wash in McKinley County, New Mexico. It was built in 1953, so it is 72 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 5 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 24 vehicles a day, roughly 2% of them trucks, projected to reach 40 by 2032. The structure is 95 ft (29 m) long and 14 ft wide. If it were closed, the detour would be 28 mi (45 km).

Location

Open in Google Maps
CarriesBIA-37
CrossesWash
Location15KM NE of Twin Lakes
RouteFederal Lands Road 0N37
CountyMcKinley County
StateNew Mexico
Coordinates35.77722, -108.69945
Functional classRural Minor Arterial

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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating24.1 US tons
Inventory rating14.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckOpen grating
Main spans6
Design loadUnknown
Structure length95 ft (29 m)
Longest span20 ft (6.1 m)
Deck width14 ft (4.3 m)
Roadway width12 ft (3.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic24 (2023)
Projected traffic40 by 2032
Trucks2%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed28 mi (45 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerIndian Tribal Government
Maintained byIndian Tribal Government
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-37 over Wash built?

It was built in 1953, making it 72 years old in 2025.

What condition is BIA-37 over Wash 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 April 2023.

How much traffic does BIA-37 over Wash carry?

About 24 vehicles per day (2023 count), of which roughly 2% are trucks.

How long is BIA-37 over Wash?

The structure is 95 ft (29 m) long with a longest span of 20 ft (6.1 m) and a deck 14 ft wide.

Who owns BIA-37 over Wash?

It is owned by the Indian Tribal Government.