US Bridges

IRR BIA RTE N33 over Wash

Fair

Apache County, Arizona · 4.0 MI NE Cove Day School · Structure no. 00000000000N256

Built
1997
28 years old
Condition
Fair
inspected June 2024
Type
Culvert
Steel
Length
33 ft
3 main spans
Daily traffic
330
2022 count
Owner
Federal
Bureau of Indian Affairs

About this bridge

IRR BIA RTE N33 over Wash is a steel culvert carrying IRR BIA RTE N33 over Wash in Apache County, Arizona. It was built in 1997, so it is 28 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 330 vehicles a day, roughly 5% of them trucks, projected to reach 570 by 2040. The structure is 33 ft (10 m) long and 75 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesIRR BIA RTE N33
CrossesWash
Location4.0 MI NE Cove Day School
RouteFederal Lands Road 0N33
CountyApache County
StateArizona
Coordinates36.58317, -109.17122
Functional classRural Major 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 protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
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 geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating49.1 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans3
Design loadHS 20
Structure length33 ft (10 m)
Longest span8 ft (2.5 m)
Deck width75 ft (23 m)
Roadway width30 ft (9.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic330 (2022)
Projected traffic570 by 2040
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 N33 over Wash built?

It was built in 1997, making it 28 years old in 2025.

What condition is IRR BIA RTE N33 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 N33 over Wash carry?

About 330 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is IRR BIA RTE N33 over Wash?

The structure is 33 ft (10 m) long with a longest span of 8 ft (2.5 m) and a deck 75 ft wide.

Who owns IRR BIA RTE N33 over Wash?

It is owned by the Bureau of Indian Affairs.