US Bridges

SR 238 over Waterman Wash

Good

Maricopa County, Arizona · 19.2 MI W JCT SR 347 · Structure no. 02085

Built
1988
37 years old
Condition
Good
inspected May 2024
Type
Slab
Concrete Continuous
Length
166 ft
5 main spans
Daily traffic
2,656
2024 count
Owner
State
State Highway Agency

About this bridge

SR 238 over Waterman Wash is a concrete continuous slab carrying SR 238 over Waterman Wash in Maricopa County, Arizona. It was built in 1988, so it is 37 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 2,656 vehicles a day, roughly 16% of them trucks, projected to reach 5,276 by 2042. The structure is 166 ft (50.6 m) long and 35 ft wide. If it were closed, the detour would be 24.9 mi (40 km).

Location

Open in Google Maps
CarriesSR 238
CrossesWaterman Wash
Location19.2 MI W JCT SR 347
RouteState Highway 238
CountyMaricopa County
StateArizona
Coordinates33.02992, -112.36594
Functional classRural Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating65 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length166 ft (50.6 m)
Longest span35 ft (10.7 m)
Deck width35 ft (10.7 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,656 (2024)
Projected traffic5,276 by 2042
Trucks16%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed24.9 mi (40 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 SR 238 over Waterman Wash built?

It was built in 1988, making it 37 years old in 2025.

What condition is SR 238 over Waterman 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 May 2024.

How much traffic does SR 238 over Waterman Wash carry?

About 2,656 vehicles per day (2024 count), of which roughly 16% are trucks.

How long is SR 238 over Waterman Wash?

The structure is 166 ft (50.6 m) long with a longest span of 35 ft (10.7 m) and a deck 35 ft wide.

Who owns SR 238 over Waterman Wash?

It is owned by the State Highway Agency.