US Bridges

8th ST over Dry Wash

Good

Maricopa County, Arizona · 0.3 MI E of 7th Street · Structure no. 10092

Built
1997
28 years old
Condition
Good
inspected January 2022
Type
Culvert
Concrete
Length
32 ft
4 main spans
Daily traffic
446
2012 count
Owner
City
City or Municipal Highway Agency

About this bridge

8th ST over Dry Wash is a concrete culvert carrying 8th ST over Dry Wash in Maricopa County, Arizona. It was built in 1997, so it is 28 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 446 vehicles a day, roughly 1% of them trucks, projected to reach 546 by 2030. The structure is 32 ft (9.8 m) long. If it were closed, the detour would be 0.6 mi (1 km).

Location

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Carries8th ST
CrossesDry Wash
Location0.3 MI E of 7th Street
RouteCity Street 0
CountyMaricopa County
StateArizona
Coordinates33.6741, -112.0626
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 protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionJanuary 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment8: Equal to present desirable criteria
Operating rating68.5 US tons
Inventory rating43.2 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans4
Design loadHS 20
Structure length32 ft (9.8 m)
Longest span7 ft (2.1 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic446 (2012)
Projected traffic546 by 2030
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed0.6 mi (1 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was 8th ST over Dry Wash built?

It was built in 1997, making it 28 years old in 2025.

What condition is 8th ST over Dry 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 January 2022.

How much traffic does 8th ST over Dry Wash carry?

About 446 vehicles per day (2012 count), of which roughly 1% are trucks.

How long is 8th ST over Dry Wash?

The structure is 32 ft (9.8 m) long with a longest span of 7 ft (2.1 m).

Who owns 8th ST over Dry Wash?

It is owned by the City or Municipal Highway Agency.