US Bridges

Nogales HWY over Wash

FairPosted for load

Pima County, Arizona · 9.5 MI North JCT I 19 · Structure no. 10489

Built
1929
96 years old, rebuilt 1938
Condition
Fair
inspected December 2024
Type
Slab
Concrete
Length
55 ft
3 main spans
Daily traffic
11,193
2022 count
Owner
County
County Highway Agency

About this bridge

Nogales HWY over Wash is a concrete slab carrying Nogales HWY over Wash in Pima County, Arizona. It was built in 1929 and reconstructed in 1938, so it is 96 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. Its operating status is: posted for load restriction.

It carries about 11,193 vehicles a day, roughly 5% of them trucks, projected to reach 11,203 by 2042. The structure is 55 ft (16.8 m) long and 38 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

Location

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CarriesNogales HWY
CrossesWash
Location9.5 MI North JCT I 19
RouteCounty Highway 0
CountyPima County
StateArizona
Coordinates32.03339, -110.94838
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating37 US tons
Inventory rating22 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length55 ft (16.8 m)
Longest span18 ft (5.5 m)
Deck width38 ft (11.7 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,193 (2022)
Projected traffic11,203 by 2042
Trucks5%
Lanes on structure2
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Nogales HWY over Wash built?

It was built in 1929, making it 96 years old in 2025. It was reconstructed in 1938.

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 December 2024.

How much traffic does Nogales HWY over Wash carry?

About 11,193 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is Nogales HWY over Wash?

The structure is 55 ft (16.8 m) long with a longest span of 18 ft (5.5 m) and a deck 38 ft wide.

Who owns Nogales HWY over Wash?

It is owned by the County Highway Agency.