US Bridges

Bixby Road over Pinal Creek

Good

Gila County, Arizona · 0.8 MI N JCT SR 188 · Structure no. 08605

Built
1980
45 years old
Condition
Good
inspected May 2024
Type
Culvert
Concrete Continuous
Length
77 ft
6 main spans
Daily traffic
2,500
2024 count
Owner
County
County Highway Agency

About this bridge

Bixby Road over Pinal Creek is a concrete continuous culvert carrying Bixby Road over Pinal Creek in Gila County, Arizona. It was built in 1980, so it is 45 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 2,500 vehicles a day, roughly 2% of them trucks, projected to reach 2,510 by 2042. The structure is 77 ft (23.5 m) long and 35 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

Location

Open in Google Maps
CarriesBixby Road
CrossesPinal Creek
Location0.8 MI N JCT SR 188
RouteCounty Highway 0
CountyGila County
StateArizona
Coordinates33.45095, -110.83248
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionMay 2024
Inspection intervalevery 48 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 alignment6: Equal to present minimum criteria
Operating rating67 US tons
Inventory rating40 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans6
Design loadHS 20
Structure length77 ft (23.5 m)
Longest span12 ft (3.7 m)
Deck width35 ft (10.6 m)
Roadway width30 ft (9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,500 (2024)
Projected traffic2,510 by 2042
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$2,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Bixby Road over Pinal Creek built?

It was built in 1980, making it 45 years old in 2025.

What condition is Bixby Road over Pinal Creek 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 Bixby Road over Pinal Creek carry?

About 2,500 vehicles per day (2024 count), of which roughly 2% are trucks.

How long is Bixby Road over Pinal Creek?

The structure is 77 ft (23.5 m) long with a longest span of 12 ft (3.7 m) and a deck 35 ft wide.

Who owns Bixby Road over Pinal Creek?

It is owned by the County Highway Agency.