US Bridges

IRR BIA RTE N9504 over Fiquerdo Wash

PoorPosted for load

McKinley County, New Mexico · South Edge Nakaibito Nm · Structure no. 00000000000N660

Built
1976
49 years old
Condition
Poor
inspected March 2023
Type
Truss - Thru
Aluminum, Wrought Iron, or Cast Iron
Length
89 ft
1 main span
Daily traffic
140
2023 count
Owner
Federal
Bureau of Indian Affairs

About this bridge

IRR BIA RTE N9504 over Fiquerdo Wash is a aluminum, wrought iron, or cast iron truss - thru carrying IRR BIA RTE N9504 over Fiquerdo Wash in McKinley County, New Mexico. It was built in 1976, so it is 49 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. Its operating status is: posted for load restriction.

It carries about 140 vehicles a day, roughly 2% of them trucks, projected to reach 160 by 2036. The structure is 89 ft (27.2 m) long and 15 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

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CarriesIRR BIA RTE N9504
CrossesFiquerdo Wash
LocationSouth Edge Nakaibito Nm
RouteFederal Lands Road N9504
CountyMcKinley County
StateNew Mexico
Coordinates35.78753, -108.82706
Functional classRural Minor Arterial

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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionMarch 2023
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation2: Basically intolerable, requiring high priority of replacement
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 alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating12.3 US tons
Inventory rating7.4 US tons

Structure

Structure typeTruss - Thru
MaterialAluminum, Wrought Iron, or Cast Iron
DeckAluminum
Main spans1
Design loadUnknown
Structure length89 ft (27.2 m)
Longest span88 ft (26.7 m)
Deck width15 ft (4.7 m)
Roadway width14 ft (4.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic140 (2023)
Projected traffic160 by 2036
Trucks2%
Lanes on structure1
Traffic directionOne-lane bridge for two-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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$775,000 (2023 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was IRR BIA RTE N9504 over Fiquerdo Wash built?

It was built in 1976, making it 49 years old in 2025.

What condition is IRR BIA RTE N9504 over Fiquerdo 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 N9504 over Fiquerdo Wash carry?

About 140 vehicles per day (2023 count), of which roughly 2% are trucks.

How long is IRR BIA RTE N9504 over Fiquerdo Wash?

The structure is 89 ft (27.2 m) long with a longest span of 88 ft (26.7 m) and a deck 15 ft wide.

Who owns IRR BIA RTE N9504 over Fiquerdo Wash?

It is owned by the Bureau of Indian Affairs.