US Bridges

I-10 over Deadman Canyon

Good

Pima County, Arizona · 19.1 MI E JCT SR B10 · Structure no. 05559

Built
1955
70 years old, rebuilt 1961
Condition
Good
inspected November 2021
Type
Culvert
Concrete Continuous
Length
21 ft
2 main spans
Daily traffic
24,549
2020 count
Owner
State
State Highway Agency

About this bridge

I-10 over Deadman Canyon is a concrete continuous culvert carrying I-10 over Deadman Canyon in Pima County, Arizona. It was built in 1955 and reconstructed in 1961, so it is 70 years old, older 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 24,549 vehicles a day, roughly 33% of them trucks, projected to reach 24,559 by 2040. The structure is 21 ft (6.4 m) long. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesI-10
CrossesDeadman Canyon
Location19.1 MI E JCT SR B10
RouteInterstate 10
CountyPima County
StateArizona
Coordinates31.9943, -110.6114
Functional classRural Principal Arterial - Interstate

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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert7 GoodSome minor problems.
Last inspectionNovember 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating99 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 20
Structure length21 ft (6.4 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 traffic24,549 (2020)
Projected traffic24,559 by 2040
Trucks33%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was I-10 over Deadman Canyon built?

It was built in 1955, making it 70 years old in 2025. It was reconstructed in 1961.

What condition is I-10 over Deadman Canyon 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 November 2021.

How much traffic does I-10 over Deadman Canyon carry?

About 24,549 vehicles per day (2020 count), of which roughly 33% are trucks.

How long is I-10 over Deadman Canyon?

The structure is 21 ft (6.4 m) long with a longest span of 10 ft (3 m).

Who owns I-10 over Deadman Canyon?

It is owned by the State Highway Agency.