US Bridges

I-10 & Frs over Wash

Good

Pima County, Arizona · 1.5 MI N JCT I-19 · Structure no. 05552

Built
1951
74 years old, rebuilt 2000
Condition
Good
inspected November 2021
Type
Culvert
Concrete Continuous
Length
37 ft
3 main spans
Daily traffic
169,529
2020 count
Owner
State
State Highway Agency

About this bridge

I-10 & Frs over Wash is a concrete continuous culvert carrying I-10 & Frs over Wash in Pima County, Arizona. It was built in 1951 and reconstructed in 2000, so it is 74 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 169,529 vehicles a day, roughly 9% of them trucks, projected to reach 169,539 by 2040. The structure is 37 ft (11.3 m) long. If it were closed, the detour would be 5 mi (8 km).

Location

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CarriesI-10 & Frs
CrossesWash
Location1.5 MI N JCT I-19
RouteInterstate 10
CountyPima County
StateArizona
Coordinates32.2129, -110.9796
Functional classUrban 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 protection8 Very GoodNo problems noted.
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 spans3
Design loadHS 20
Structure length37 ft (11.3 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deck18 ft (5.5 m)

Traffic and service

Average daily traffic169,529 (2020)
Projected traffic169,539 by 2040
Trucks9%
Lanes on structure14
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed5 mi (8 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1,000 (2021 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was I-10 & Frs over Wash built?

It was built in 1951, making it 74 years old in 2025. It was reconstructed in 2000.

What condition is I-10 & Frs 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 November 2021.

How much traffic does I-10 & Frs over Wash carry?

About 169,529 vehicles per day (2020 count), of which roughly 9% are trucks.

How long is I-10 & Frs over Wash?

The structure is 37 ft (11.3 m) long with a longest span of 10 ft (3 m).

Who owns I-10 & Frs over Wash?

It is owned by the State Highway Agency.