US Bridges

IRR BIA RTE 35 over Corduroy Creek

Fair

Gila County, Arizona · In Village of Carrizo · Structure no. 00000000000H064

Built
1973
52 years old
Condition
Fair
inspected February 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
123 ft
2 main spans
Daily traffic
40
2021 count
Owner
Federal
Bureau of Indian Affairs

About this bridge

IRR BIA RTE 35 over Corduroy Creek is a prestressed concrete continuous stringer/multi-beam or girder carrying IRR BIA RTE 35 over Corduroy Creek in Gila County, Arizona. It was built in 1973, so it is 52 years old, older 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 40 vehicles a day, roughly 5% of them trucks, projected to reach 60 by 2024. The structure is 123 ft (37.4 m) long and 41 ft wide. If it were closed, the detour would be 9.3 mi (15 km).

CarriesIRR BIA RTE 35
CrossesCorduroy Creek
LocationIn Village of Carrizo
RouteFederal Lands Road 35
StateArizona
Coordinates33.9977, -110.2857
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour evaluation has not been made
Structural evaluation6: Equal to present minimum criteria
Deck geometry8: Equal to present desirable criteria
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating49.1 US tons
Inventory rating35.9 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length123 ft (37.4 m)
Longest span60 ft (18.3 m)
Deck width41 ft (12.5 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic40 (2021)
Projected traffic60 by 2024
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed9.3 mi (15 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 35 over Corduroy Creek built?

It was built in 1973, making it 52 years old in 2025.

What condition is IRR BIA RTE 35 over Corduroy Creek 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 February 2024.

How much traffic does IRR BIA RTE 35 over Corduroy Creek carry?

About 40 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is IRR BIA RTE 35 over Corduroy Creek?

The structure is 123 ft (37.4 m) long with a longest span of 60 ft (18.3 m) and a deck 41 ft wide.

Who owns IRR BIA RTE 35 over Corduroy Creek?

It is owned by the Bureau of Indian Affairs.