US Bridges

SR 88 over Ash Creek

Fair

Maricopa County, Arizona · 25.3 MI SW JCT SR 188 · Structure no. 04685

Built
1961
64 years old
Condition
Fair
inspected February 2024
Type
Culvert
Concrete Continuous
Length
24 ft
2 main spans
Daily traffic
241
2022 count
Owner
State
State Highway Agency

About this bridge

SR 88 over Ash Creek is a concrete continuous culvert carrying SR 88 over Ash Creek in Maricopa County, Arizona. It was built in 1961, so it is 64 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.

It carries about 241 vehicles a day, roughly 2% of them trucks, projected to reach 251 by 2042. The structure is 24 ft (7.3 m) long. If it were closed, the detour would be 98.8 mi (159 km).

CarriesSR 88
CrossesAsh Creek
Location25.3 MI SW JCT SR 188
RouteState Highway 88
StateArizona
Coordinates33.53341, -111.37014
Functional classRural Major Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating99 US tons
Inventory rating81 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 20
Structure length24 ft (7.3 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 traffic241 (2022)
Projected traffic251 by 2042
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 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 88 over Ash Creek built?

It was built in 1961, making it 64 years old in 2025.

What condition is SR 88 over Ash Creek 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 February 2024.

How much traffic does SR 88 over Ash Creek carry?

About 241 vehicles per day (2022 count), of which roughly 2% are trucks.

How long is SR 88 over Ash Creek?

The structure is 24 ft (7.3 m) long with a longest span of 10 ft (3 m).

Who owns SR 88 over Ash Creek?

It is owned by the State Highway Agency.