US Bridges

IRR BIA 103 over Wash

Fair

Graham County, Arizona · 1.5 KM NW of Peridot · Structure no. 0000H58616B0836

Built
1980
45 years old
Condition
Fair
inspected January 2024
Type
Culvert
Concrete
Length
37 ft
3 main spans
Daily traffic
2,000
2024 count
Owner
Federal
Bureau of Indian Affairs

About this bridge

IRR BIA 103 over Wash is a concrete culvert carrying IRR BIA 103 over Wash in Graham County, Arizona. It was built in 1980, so it is 45 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 2,000 vehicles a day, roughly 5% of them trucks, projected to reach 2,500 by 2044. The structure is 37 ft (11.3 m) long and 60 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesIRR BIA 103
CrossesWash
Location1.5 KM NW of Peridot
RouteFederal Lands Road 50
StateArizona
Coordinates33.31233, -110.44344
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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60.1 US tons
Inventory rating35.9 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20
Structure length37 ft (11.3 m)
Longest span12 ft (3.6 m)
Deck width60 ft (18.4 m)
Roadway width27 ft (8.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,000 (2024)
Projected traffic2,500 by 2044
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 103 over Wash built?

It was built in 1980, making it 45 years old in 2025.

What condition is IRR BIA 103 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 January 2024.

How much traffic does IRR BIA 103 over Wash carry?

About 2,000 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is IRR BIA 103 over Wash?

The structure is 37 ft (11.3 m) long with a longest span of 12 ft (3.6 m) and a deck 60 ft wide.

Who owns IRR BIA 103 over Wash?

It is owned by the Bureau of Indian Affairs.