US Bridges

Wilmot Road over Julian Wash

Good

Pima County, Arizona · 0.7 MI N JCT I-10 · Structure no. 10280

Built
1985
40 years old
Condition
Good
inspected December 2021
Type
Culvert
Concrete Continuous
Length
65 ft
6 main spans
Daily traffic
5,136
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

Wilmot Road over Julian Wash is a concrete continuous culvert carrying Wilmot Road over Julian Wash in Pima County, Arizona. It was built in 1985, so it is 40 years old, younger 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 5,136 vehicles a day, roughly 5% of them trucks, projected to reach 5,146 by 2040. The structure is 65 ft (19.8 m) long. If it were closed, the detour would be 5 mi (8 km).

Location

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CarriesWilmot Road
CrossesJulian Wash
Location0.7 MI N JCT I-10
RouteCity Street 0
CountyPima County
StateArizona
Coordinates32.1246, -110.858
Functional classUrban Collector

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 inspectionDecember 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating99 US tons
Inventory rating89.9 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans6
Design loadHS 20
Structure length65 ft (19.8 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,136 (2020)
Projected traffic5,146 by 2040
Trucks5%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Wilmot Road over Julian Wash built?

It was built in 1985, making it 40 years old in 2025.

What condition is Wilmot Road over Julian 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 December 2021.

How much traffic does Wilmot Road over Julian Wash carry?

About 5,136 vehicles per day (2020 count), of which roughly 5% are trucks.

How long is Wilmot Road over Julian Wash?

The structure is 65 ft (19.8 m) long with a longest span of 10 ft (3 m).

Who owns Wilmot Road over Julian Wash?

It is owned by the City or Municipal Highway Agency.