US Bridges

BIA RTE 10 over Overflow Channel

Good

Gila County, Arizona · 3.2 KM N of BIA RTE 6 · Structure no. 0000H58616B0845

Built
1987
38 years old
Condition
Good
inspected April 2023
Type
Culvert
Concrete
Length
32 ft
3 main spans
Daily traffic
240
2023 count
Owner
Federal
Bureau of Indian Affairs

About this bridge

BIA RTE 10 over Overflow Channel is a concrete culvert carrying BIA RTE 10 over Overflow Channel in Gila County, Arizona. It was built in 1987, so it is 38 years old, younger than the Arizona average of 47.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 240 vehicles a day, roughly 2% of them trucks, projected to reach 2,032 by 275. The structure is 32 ft (9.8 m) long and 86 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesBIA RTE 10
CrossesOverflow Channel
Location3.2 KM N of BIA RTE 6
RouteFederal Lands Road 10
StateArizona
Coordinates33.3755, -110.45008
Functional classRural Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating39.9 US tons
Inventory rating35.9 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadUnknown
Structure length32 ft (9.8 m)
Longest span10 ft (3.1 m)
Deck width86 ft (26.2 m)
Roadway width33 ft (10 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic240 (2023)
Projected traffic2,032 by 275
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 BIA RTE 10 over Overflow Channel built?

It was built in 1987, making it 38 years old in 2025.

What condition is BIA RTE 10 over Overflow Channel in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in April 2023.

How much traffic does BIA RTE 10 over Overflow Channel carry?

About 240 vehicles per day (2023 count), of which roughly 2% are trucks.

How long is BIA RTE 10 over Overflow Channel?

The structure is 32 ft (9.8 m) long with a longest span of 10 ft (3.1 m) and a deck 86 ft wide.

Who owns BIA RTE 10 over Overflow Channel?

It is owned by the Bureau of Indian Affairs.