US Bridges

Westerly Road over American Gulch

Good

Gila County, Arizona · 0.06 MI S of Main ST · Structure no. 10818

Built
2006
19 years old
Condition
Good
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
73 ft
1 main span
Daily traffic
625
2019 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Westerly Road over American Gulch is a steel stringer/multi-beam or girder carrying Westerly Road over American Gulch in Gila County, Arizona. It was built in 2006, so it is 19 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 625 vehicles a day, roughly 1% of them trucks, projected to reach 635 by 2039. The structure is 73 ft (22.3 m) long and 42 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesWesterly Road
CrossesAmerican Gulch
Location0.06 MI S of Main ST
RouteCity Street 0
CountyGila County
StateArizona
Coordinates34.23017, -111.33164
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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating73 US tons
Inventory rating44 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length73 ft (22.3 m)
Longest span73 ft (22.3 m)
Deck width42 ft (12.8 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deck20 ft (6.1 m)

Traffic and service

Average daily traffic625 (2019)
Projected traffic635 by 2039
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerTown or Township Highway Agency
Maintained byTown or Township 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 Westerly Road over American Gulch built?

It was built in 2006, making it 19 years old in 2025.

What condition is Westerly Road over American Gulch 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 October 2024.

How much traffic does Westerly Road over American Gulch carry?

About 625 vehicles per day (2019 count), of which roughly 1% are trucks.

How long is Westerly Road over American Gulch?

The structure is 73 ft (22.3 m) long with a longest span of 73 ft (22.3 m) and a deck 42 ft wide.

Who owns Westerly Road over American Gulch?

It is owned by the Town or Township Highway Agency.