US Bridges

SR77 over Dripping Springs Wash

Good

Gila County, Arizona · 12.8 MI NE JCT SR 177 · Structure no. 20068

Built
2014
11 years old
Condition
Good
inspected February 2024
Type
Slab
Concrete Continuous
Length
215 ft
6 main spans
Daily traffic
1,540
2022 count
Owner
State
State Highway Agency

About this bridge

SR77 over Dripping Springs Wash is a concrete continuous slab carrying SR77 over Dripping Springs Wash in Gila County, Arizona. It was built in 2014, so it is 11 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 1,540 vehicles a day, roughly 15% of them trucks, projected to reach 1,550 by 2042. The structure is 215 ft (65.5 m) long and 48 ft wide. If it were closed, the detour would be 29.8 mi (48 km).

Location

Open in Google Maps
CarriesSR77
CrossesDripping Springs Wash
Location12.8 MI NE JCT SR 177
RouteState Highway 77
CountyGila County
StateArizona
Coordinates33.09283, -110.72615
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionFebruary 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 rating72 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans6
Design loadHL 93
Structure length215 ft (65.5 m)
Longest span38 ft (11.6 m)
Deck width48 ft (14.6 m)
Roadway width45 ft (13.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,540 (2022)
Projected traffic1,550 by 2042
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed29.8 mi (48 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 SR77 over Dripping Springs Wash built?

It was built in 2014, making it 11 years old in 2025.

What condition is SR77 over Dripping Springs Wash 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 February 2024.

How much traffic does SR77 over Dripping Springs Wash carry?

About 1,540 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is SR77 over Dripping Springs Wash?

The structure is 215 ft (65.5 m) long with a longest span of 38 ft (11.6 m) and a deck 48 ft wide.

Who owns SR77 over Dripping Springs Wash?

It is owned by the State Highway Agency.