US Bridges

IRR BIA RTE N5001 over Toadlena Wash

PoorPosted for load

San Juan County, New Mexico · 0.1MI North Toadlena T.P. · Structure no. 00000000000N241

Built
1988
37 years old
Condition
Poor
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
45 ft
2 main spans
Daily traffic
127
2021 count
Owner
Federal
Bureau of Indian Affairs

About this bridge

IRR BIA RTE N5001 over Toadlena Wash is a steel stringer/multi-beam or girder carrying IRR BIA RTE N5001 over Toadlena Wash in San Juan County, New Mexico. It was built in 1988, so it is 37 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 4 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. Its operating status is: posted for other load-capacity restriction.

It carries about 127 vehicles a day, roughly 5% of them trucks, projected to reach 259 by 2040. The structure is 45 ft (13.7 m) long and 17 ft wide. If it were closed, the detour would be 14.9 mi (24 km).

CarriesIRR BIA RTE N5001
CrossesToadlena Wash
Location0.1MI North Toadlena T.P.
RouteFederal Lands Road N5001
Coordinates36.23431, -108.89308
Functional classRural Minor 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusPosted for other load-capacity restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating20.9 US tons
Inventory rating12.6 US tons

Structure

MaterialSteel
DeckOpen grating
Main spans2
Design loadUnknown
Structure length45 ft (13.7 m)
Longest span37 ft (11.2 m)
Deck width17 ft (5.1 m)
Roadway width17 ft (5.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic127 (2021)
Projected traffic259 by 2040
Trucks5%
Lanes on structure2
Traffic directionOne-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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$576,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was IRR BIA RTE N5001 over Toadlena Wash built?

It was built in 1988, making it 37 years old in 2025.

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

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

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

How long is IRR BIA RTE N5001 over Toadlena Wash?

The structure is 45 ft (13.7 m) long with a longest span of 37 ft (11.2 m) and a deck 17 ft wide.

Who owns IRR BIA RTE N5001 over Toadlena Wash?

It is owned by the Bureau of Indian Affairs.