US Bridges

IRR BIA RTE N11 over Pinedale Wash

Poor

McKinley County, New Mexico · 2.0 MI West of Pinedale · Structure no. 00000000000N483

Built
1985
40 years old
Condition
Poor
inspected March 2023
Type
Culvert
Steel
Length
31 ft
1 main span
Daily traffic
3,000
2023 count
Owner
Federal
Bureau of Indian Affairs

About this bridge

IRR BIA RTE N11 over Pinedale Wash is a steel culvert carrying IRR BIA RTE N11 over Pinedale Wash in McKinley County, New Mexico. It was built in 1985, so it is 40 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 poor condition with a lowest component rating of 3 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 3,000 vehicles a day, roughly 10% of them trucks, projected to reach 3,510 by 2043. The structure is 31 ft (9.6 m) long and 33 ft wide. If it were closed, the detour would be 16.8 mi (27 km).

Location

Open in Google Maps
CarriesIRR BIA RTE N11
CrossesPinedale Wash
Location2.0 MI West of Pinedale
RouteFederal Lands Road 0N11
CountyMcKinley County
StateNew Mexico
Coordinates35.61344, -108.51061
Functional classRural Major Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Channel and channel protection3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Culvert3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating55 US tons
Inventory rating41.3 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans1
Design loadHS 20
Structure length31 ft (9.6 m)
Longest span31 ft (9.6 m)
Deck width33 ft (10 m)
Roadway width33 ft (10 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,000 (2023)
Projected traffic3,510 by 2043
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed16.8 mi (27 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 RTE N11 over Pinedale Wash built?

It was built in 1985, making it 40 years old in 2025.

What condition is IRR BIA RTE N11 over Pinedale Wash in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in March 2023.

How much traffic does IRR BIA RTE N11 over Pinedale Wash carry?

About 3,000 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is IRR BIA RTE N11 over Pinedale Wash?

The structure is 31 ft (9.6 m) long with a longest span of 31 ft (9.6 m) and a deck 33 ft wide.

Who owns IRR BIA RTE N11 over Pinedale Wash?

It is owned by the Bureau of Indian Affairs.