US Bridges

IRR BIA RTE N63 over Wash

Fair

Apache County, Arizona · Horse Mesa · Structure no. 00000000000N244

Built
1990
35 years old
Condition
Fair
inspected June 2024
Type
Culvert
Concrete Continuous
Length
42 ft
4 main spans
Daily traffic
450
2022 count
Owner
Federal
Bureau of Indian Affairs

About this bridge

IRR BIA RTE N63 over Wash is a concrete continuous culvert carrying IRR BIA RTE N63 over Wash in Apache County, Arizona. It was built in 1990, so it is 35 years old, younger than the Arizona average of 47.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 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 450 vehicles a day, roughly 10% of them trucks, projected to reach 486 by 2040. The structure is 42 ft (12.9 m) long and 60 ft wide. If it were closed, the detour would be 49.7 mi (80 km).

CarriesIRR BIA RTE N63
CrossesWash
LocationHorse Mesa
RouteFederal Lands Road 0N63
StateArizona
Coordinates36.6865, -109.04906
Functional classRural Minor Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating94.6 US tons
Inventory rating56.4 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans4
Design loadHS 20
Structure length42 ft (12.9 m)
Longest span10 ft (3 m)
Deck width60 ft (18.3 m)
Roadway width29 ft (8.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic450 (2022)
Projected traffic486 by 2040
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed49.7 mi (80 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 N63 over Wash built?

It was built in 1990, making it 35 years old in 2025.

What condition is IRR BIA RTE N63 over 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 N63 over Wash carry?

About 450 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is IRR BIA RTE N63 over Wash?

The structure is 42 ft (12.9 m) long with a longest span of 10 ft (3 m) and a deck 60 ft wide.

Who owns IRR BIA RTE N63 over Wash?

It is owned by the Bureau of Indian Affairs.