US Bridges

IRR BIA Route 81 over Poison Oak Wash

GoodPosted for load

Sandoval County, New Mexico · 2.4 KM SE Jemez Pueblo · Structure no. 00000000000M141

Built
1996
29 years old
Condition
Good
inspected March 2023
Type
Culvert
Aluminum, Wrought Iron, or Cast Iron
Length
26 ft
1 main span
Daily traffic
10
2023 count
Owner
Federal
Bureau of Indian Affairs

About this bridge

IRR BIA Route 81 over Poison Oak Wash is a aluminum, wrought iron, or cast iron culvert carrying IRR BIA Route 81 over Poison Oak Wash in Sandoval County, New Mexico. It was built in 1996, so it is 29 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. Its operating status is: posted for load restriction.

It carries about 10 vehicles a day, roughly 10% of them trucks, projected to reach 12 by 2043. The structure is 26 ft (7.8 m) long and 30 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesIRR BIA Route 81
CrossesPoison Oak Wash
Location2.4 KM SE Jemez Pueblo
RouteFederal Lands Road 81
Coordinates35.60899, -106.75016
Functional classRural 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
Channel and channel protection7 GoodSome minor problems.
Culvert8 Very GoodNo problems noted.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating41.7 US tons
Inventory rating31.3 US tons

Structure

Structure typeCulvert
MaterialAluminum, Wrought Iron, or Cast Iron
DeckNot applicable
Main spans1
Design loadHS 20
Structure length26 ft (7.8 m)
Longest span25 ft (7.6 m)
Deck width30 ft (9.1 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10 (2023)
Projected traffic12 by 2043
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 IRR BIA Route 81 over Poison Oak Wash built?

It was built in 1996, making it 29 years old in 2025.

What condition is IRR BIA Route 81 over Poison Oak 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 IRR BIA Route 81 over Poison Oak Wash carry?

About 10 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is IRR BIA Route 81 over Poison Oak Wash?

The structure is 26 ft (7.8 m) long with a longest span of 25 ft (7.6 m) and a deck 30 ft wide.

Who owns IRR BIA Route 81 over Poison Oak Wash?

It is owned by the Bureau of Indian Affairs.