US Bridges

Shiloh Street over Wash

Good

Pima County, Arizona · 0.1 MI E JCT Harrison RD · Structure no. 10273

Built
1974
51 years old
Condition
Good
inspected October 2021
Type
Culvert
Concrete Continuous
Length
23 ft
2 main spans
Daily traffic
130
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

Shiloh Street over Wash is a concrete continuous culvert carrying Shiloh Street over Wash in Pima County, Arizona. It was built in 1974, so it is 51 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 130 vehicles a day, roughly 1% of them trucks, projected to reach 140 by 2040. The structure is 23 ft (7 m) long. If it were closed, the detour would be 1.9 mi (3 km).

CarriesShiloh Street
CrossesWash
Location0.1 MI E JCT Harrison RD
RouteCity Street 0
StateArizona
Coordinates32.2231, -110.7874
Functional classUrban Local

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 inspectionOctober 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 alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating84 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 20
Structure length23 ft (7 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 traffic130 (2020)
Projected traffic140 by 2040
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

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 Shiloh Street over Wash built?

It was built in 1974, making it 51 years old in 2025.

What condition is Shiloh Street 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 October 2021.

How much traffic does Shiloh Street over Wash carry?

About 130 vehicles per day (2020 count), of which roughly 1% are trucks.

How long is Shiloh Street over Wash?

The structure is 23 ft (7 m) long with a longest span of 10 ft (3 m).

Who owns Shiloh Street over Wash?

It is owned by the City or Municipal Highway Agency.