US Bridges

SR 88 over Pine Creek

Fair

Maricopa County, Arizona · 8.4 MI SW JCT SR 188 · Structure no. 00031

Built
1925
100 years old
Condition
Fair
inspected March 2024
Type
Arch - Deck
Concrete Continuous
Length
132 ft
2 main spans
Daily traffic
321
2022 count
Owner
State
State Highway Agency

About this bridge

SR 88 over Pine Creek is a concrete continuous arch - deck carrying SR 88 over Pine Creek in Maricopa County, Arizona. It was built in 1925, so it is 100 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 321 vehicles a day, roughly 4% of them trucks, projected to reach 331 by 2042. The structure is 132 ft (40.2 m) long and 18 ft wide. If it were closed, the detour would be 85.1 mi (137 km).

Location

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CarriesSR 88
CrossesPine Creek
Location8.4 MI SW JCT SR 188
RouteState Highway 88
CountyMaricopa County
StateArizona
Coordinates33.59836, -111.20298
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
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating54 US tons
Inventory rating32 US tons

Structure

Structure typeArch - Deck
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadH 15
Structure length132 ft (40.2 m)
Longest span48 ft (14.6 m)
Deck width18 ft (5.6 m)
Roadway width16 ft (4.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic321 (2022)
Projected traffic331 by 2042
Trucks4%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed85.1 mi (137 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusListed on the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 88 over Pine Creek built?

It was built in 1925, making it 100 years old in 2025.

What condition is SR 88 over Pine 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 March 2024.

How much traffic does SR 88 over Pine Creek carry?

About 321 vehicles per day (2022 count), of which roughly 4% are trucks.

How long is SR 88 over Pine Creek?

The structure is 132 ft (40.2 m) long with a longest span of 48 ft (14.6 m) and a deck 18 ft wide.

Who owns SR 88 over Pine Creek?

It is owned by the State Highway Agency.