US Bridges

Greenback Valley R over Tonto Creek

Good

Gila County, Arizona · 1500 Ft E of SR188 · Structure no. 11167

Built
2024
1 years old
Condition
Good
inspected September 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
1,982 ft
14 main spans
Daily traffic
100
2024 count
Owner
County
County Highway Agency

About this bridge

Greenback Valley R over Tonto Creek is a prestressed concrete stringer/multi-beam or girder carrying Greenback Valley R over Tonto Creek in Gila County, Arizona. It was built in 2024, so it is 1 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 100 vehicles a day, projected to reach 110 by 2042. The structure is 1,982 ft (604.1 m) long and 49 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesGreenback Valley R
CrossesTonto Creek
Location1500 Ft E of SR188
RouteCounty Highway 0
StateArizona
Coordinates33.87039, -111.30742
Functional classRural Minor Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating37 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans14
Design loadHL 93
Structure length1,982 ft (604.1 m)
Longest span141 ft (43 m)
Deck width49 ft (14.8 m)
Roadway width35 ft (10.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2024)
Projected traffic110 by 2042
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway and waterway
Detour if closed1.2 mi (2 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Greenback Valley R over Tonto Creek built?

It was built in 2024, making it 1 years old in 2025.

What condition is Greenback Valley R over Tonto 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 September 2024.

How much traffic does Greenback Valley R over Tonto Creek carry?

About 100 vehicles per day (2024 count).

How long is Greenback Valley R over Tonto Creek?

The structure is 1,982 ft (604.1 m) long with a longest span of 141 ft (43 m) and a deck 49 ft wide.

Who owns Greenback Valley R over Tonto Creek?

It is owned by the County Highway Agency.