US Bridges

IRR BIA RTE N5001 over Clah Wash

Fair

San Juan County, New Mexico · 4.0M E 0.5M S Toadlena Tp · Structure no. 00000000000N213

Built
1978
47 years old
Condition
Fair
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
36 ft
1 main span
Daily traffic
127
2021 count
Owner
Federal
Bureau of Indian Affairs

About this bridge

IRR BIA RTE N5001 over Clah Wash is a steel stringer/multi-beam or girder carrying IRR BIA RTE N5001 over Clah Wash in San Juan County, New Mexico. It was built in 1978, so it is 47 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 127 vehicles a day, roughly 5% of them trucks, projected to reach 259 by 2040. The structure is 36 ft (11 m) long and 14 ft wide. If it were closed, the detour would be 14.9 mi (24 km).

CarriesIRR BIA RTE N5001
CrossesClah Wash
Location4.0M E 0.5M S Toadlena Tp
RouteFederal Lands Road N5001
Coordinates36.23142, -108.8235
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating47 US tons
Inventory rating33 US tons

Structure

MaterialSteel
DeckOpen grating
Main spans1
Design loadUnknown
Structure length36 ft (11 m)
Longest span26 ft (7.9 m)
Deck width14 ft (4.3 m)
Roadway width13 ft (4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic127 (2021)
Projected traffic259 by 2040
Trucks5%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.9 mi (24 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 proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$124,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was IRR BIA RTE N5001 over Clah Wash built?

It was built in 1978, making it 47 years old in 2025.

What condition is IRR BIA RTE N5001 over Clah 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 June 2024.

How much traffic does IRR BIA RTE N5001 over Clah Wash carry?

About 127 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is IRR BIA RTE N5001 over Clah Wash?

The structure is 36 ft (11 m) long with a longest span of 26 ft (7.9 m) and a deck 14 ft wide.

Who owns IRR BIA RTE N5001 over Clah Wash?

It is owned by the Bureau of Indian Affairs.