US Bridges

IRR BIA RTE N63 over Wash

Fair

Apache County, Arizona · Horse Mesa · Structure no. 00000000000N243

Built
1990
35 years old
Condition
Fair
inspected June 2024
Type
Culvert
Concrete Continuous
Length
34 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 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 450 vehicles a day, roughly 10% of them trucks, projected to reach 486 by 2040. The structure is 34 ft (10.4 m) long and 58 ft wide. If it were closed, the detour would be 49.7 mi (80 km).

Location

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CarriesIRR BIA RTE N63
CrossesWash
LocationHorse Mesa
RouteFederal Lands Road 0N63
CountyApache County
StateArizona
Coordinates36.68133, -109.05131
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48 US tons
Inventory rating35.9 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans4
Design loadHS 20
Structure length34 ft (10.4 m)
Longest span8 ft (2.4 m)
Deck width58 ft (17.7 m)
Roadway width30 ft (9 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 34 ft (10.4 m) long with a longest span of 8 ft (2.4 m) and a deck 58 ft wide.

Who owns IRR BIA RTE N63 over Wash?

It is owned by the Bureau of Indian Affairs.