US Bridges

SR 88 over Wildcat Canyon

Good

Gila County, Arizona · 11.1 MI E JCT SR 188 · Structure no. 06236

Built
1972
53 years old
Condition
Good
inspected March 2022
Type
Culvert
Concrete Continuous
Length
24 ft
2 main spans
Daily traffic
1,057
2020 count
Owner
State
State Highway Agency

About this bridge

SR 88 over Wildcat Canyon is a concrete continuous culvert carrying SR 88 over Wildcat Canyon in Gila County, Arizona. It was built in 1972, so it is 53 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 1,057 vehicles a day, roughly 27% of them trucks, projected to reach 1,067 by 2040. The structure is 24 ft (7.3 m) long. If it were closed, the detour would be 60.3 mi (97 km).

CarriesSR 88
CrossesWildcat Canyon
Location11.1 MI E JCT SR 188
RouteState Highway 188
StateArizona
Coordinates33.6092, -111.0126
Functional classRural Major 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 protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionMarch 2022
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 rating99 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 traffic1,057 (2020)
Projected traffic1,067 by 2040
Trucks27%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed60.3 mi (97 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 Wildcat Canyon built?

It was built in 1972, making it 53 years old in 2025.

What condition is SR 88 over Wildcat Canyon 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 March 2022.

How much traffic does SR 88 over Wildcat Canyon carry?

About 1,057 vehicles per day (2020 count), of which roughly 27% are trucks.

How long is SR 88 over Wildcat Canyon?

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

Who owns SR 88 over Wildcat Canyon?

It is owned by the State Highway Agency.