US Bridges

I 10 over Angel Canyon

Fair

Cochise County, Arizona · 2.8 MI East JCT SR 191 · Structure no. 05638

Built
1939
86 years old, rebuilt 1975
Condition
Fair
inspected September 2024
Type
Culvert
Concrete Continuous
Length
74 ft
6 main spans
Daily traffic
18,530
2022 count
Owner
State
State Highway Agency

About this bridge

I 10 over Angel Canyon is a concrete continuous culvert carrying I 10 over Angel Canyon in Cochise County, Arizona. It was built in 1939 and reconstructed in 1975, so it is 86 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 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 18,530 vehicles a day, roughly 27% of them trucks, projected to reach 18,540 by 2042. The structure is 74 ft (22.6 m) long. If it were closed, the detour would be 47.8 mi (77 km).

Location

No coordinates are recorded for this structure.

CarriesI 10
CrossesAngel Canyon
Location2.8 MI East JCT SR 191
RouteInterstate 10
CountyCochise County
StateArizona
Functional classRural Principal Arterial - Interstate

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 inspectionSeptember 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating70 US tons
Inventory rating42 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans6
Design loadHS 20
Structure length74 ft (22.6 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic18,530 (2022)
Projected traffic18,540 by 2042
Trucks27%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed47.8 mi (77 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$1,000 (2020 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was I 10 over Angel Canyon built?

It was built in 1939, making it 86 years old in 2025. It was reconstructed in 1975.

What condition is I 10 over Angel Canyon 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 September 2024.

How much traffic does I 10 over Angel Canyon carry?

About 18,530 vehicles per day (2022 count), of which roughly 27% are trucks.

How long is I 10 over Angel Canyon?

The structure is 74 ft (22.6 m) long with a longest span of 10 ft (3 m).

Who owns I 10 over Angel Canyon?

It is owned by the State Highway Agency.