US Bridges

I 10; Nfr over Wash

Fair

Pima County, Arizona · 23.5 MI South JCT SR 84 · Structure no. 06066

Built
1931
94 years old
Condition
Fair
inspected August 2022
Type
Culvert
Concrete Continuous
Length
54 ft
5 main spans
Daily traffic
200
2021 count
Owner
State
State Highway Agency

About this bridge

I 10; Nfr over Wash is a concrete continuous culvert carrying I 10; Nfr 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 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 200 vehicles a day, roughly 5% of them trucks, projected to reach 210 by 2041. The structure is 54 ft (16.5 m) long and 33 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesI 10; Nfr
CrossesWash
Location23.5 MI South JCT SR 84
RouteState Highway 10
CountyPima County
StateArizona
Coordinates32.4809, -111.2417
Functional classRural Major Collector

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to 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 rating57 US tons
Inventory rating35.1 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans5
Design loadHS 20
Structure length54 ft (16.5 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 traffic200 (2021)
Projected traffic210 by 2041
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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; Nfr over Wash built?

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

What condition is I 10; Nfr over Wash 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 August 2022.

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

About 200 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is I 10; Nfr over Wash?

The structure is 54 ft (16.5 m) long with a longest span of 10 ft (3 m) and a deck 33 ft wide.

Who owns I 10; Nfr over Wash?

It is owned by the State Highway Agency.