US Bridges

Nogales HWY over Wash

Fair

Pima County, Arizona · 5.1 MI S JCT SR 86 · Structure no. 10494

Built
1951
74 years old
Condition
Fair
inspected November 2023
Type
Culvert
Concrete Continuous
Length
67 ft
6 main spans
Daily traffic
22,394
2021 count
Owner
County
County Highway Agency

About this bridge

Nogales HWY over Wash is a concrete continuous culvert carrying Nogales HWY over Wash in Pima County, Arizona. It was built in 1951, 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 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 22,394 vehicles a day, roughly 11% of them trucks, projected to reach 22,404 by 2041. The structure is 67 ft (20.4 m) long and 86 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

Location

Open in Google Maps
CarriesNogales HWY
CrossesWash
Location5.1 MI S JCT SR 86
RouteCounty Highway 0
CountyPima County
StateArizona
Coordinates32.10431, -110.96002
Functional classUrban Minor Arterial

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 inspectionNovember 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating52 US tons
Inventory rating31 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans6
Design loadH 20
Structure length67 ft (20.4 m)
Longest span10 ft (3 m)
Deck width86 ft (26.1 m)
Roadway width75 ft (22.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic22,394 (2021)
Projected traffic22,404 by 2041
Trucks11%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 Nogales HWY over Wash built?

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

What condition is Nogales HWY 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 November 2023.

How much traffic does Nogales HWY over Wash carry?

About 22,394 vehicles per day (2021 count), of which roughly 11% are trucks.

How long is Nogales HWY over Wash?

The structure is 67 ft (20.4 m) long with a longest span of 10 ft (3 m) and a deck 86 ft wide.

Who owns Nogales HWY over Wash?

It is owned by the County Highway Agency.