US Bridges

I 10; Sfr over Wash

Good

Pima County, Arizona · 18.0 MI North JCT I 19 · Structure no. 05542

Built
1931
94 years old
Condition
Good
inspected September 2024
Type
Culvert
Concrete Continuous
Length
21 ft
2 main spans
Daily traffic
130
2024 count
Owner
State
State Highway Agency

About this bridge

I 10; Sfr over Wash is a concrete continuous culvert carrying I 10; Sfr over Wash in Pima County, Arizona. It was built in 1931, so it is 94 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 130 vehicles a day, roughly 20% of them trucks, projected to reach 140 by 2042. The structure is 21 ft (6.4 m) long and 33 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesI 10; Sfr
CrossesWash
Location18.0 MI North JCT I 19
RouteState Highway 10
StateArizona
Coordinates32.4079, -111.1397
Functional classRural Local

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 48 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 rating58 US tons
Inventory rating35.1 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length21 ft (6.4 m)
Longest span10 ft (3 m)
Deck width33 ft (10.2 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic130 (2024)
Projected traffic140 by 2042
Trucks20%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

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; Sfr over Wash built?

It was built in 1931, making it 94 years old in 2025.

What condition is I 10; Sfr over Wash 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 September 2024.

How much traffic does I 10; Sfr over Wash carry?

About 130 vehicles per day (2024 count), of which roughly 20% are trucks.

How long is I 10; Sfr over Wash?

The structure is 21 ft (6.4 m) long with a longest span of 10 ft (3 m) and a deck 33 ft wide.

Who owns I 10; Sfr over Wash?

It is owned by the State Highway Agency.