US Bridges

Hidden Shores RD over Gila Gravity Main Canal

Fair

Yuma County, Arizona · 7 M West of HWY 95 · Structure no. 0304-0099

Built
1979
46 years old
Condition
Fair
inspected February 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
103 ft
1 main span
Daily traffic
400
2015 count
Owner
Federal
Bureau of Reclamation

About this bridge

Hidden Shores RD over Gila Gravity Main Canal is a prestressed concrete stringer/multi-beam or girder carrying Hidden Shores RD over Gila Gravity Main Canal in Yuma County, Arizona. It was built in 1979, so it is 46 years old, younger than the Arizona average of 47.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 400 vehicles a day, roughly 5% of them trucks, projected to reach 800 by 2032. The structure is 103 ft (31.4 m) long and 44 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesHidden Shores RD
CrossesGila Gravity Main Canal
Location7 M West of HWY 95
CountyYuma County
StateArizona
Coordinates32.8791, -114.4594
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating65.5 US tons
Inventory rating39.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length103 ft (31.4 m)
Longest span102 ft (31.1 m)
Deck width44 ft (13.4 m)
Roadway width42 ft (12.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic400 (2015)
Projected traffic800 by 2032
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerBureau of Reclamation
Maintained byBureau of Reclamation
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 Hidden Shores RD over Gila Gravity Main Canal built?

It was built in 1979, making it 46 years old in 2025.

What condition is Hidden Shores RD over Gila Gravity Main Canal in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in February 2023.

How much traffic does Hidden Shores RD over Gila Gravity Main Canal carry?

About 400 vehicles per day (2015 count), of which roughly 5% are trucks.

How long is Hidden Shores RD over Gila Gravity Main Canal?

The structure is 103 ft (31.4 m) long with a longest span of 102 ft (31.1 m) and a deck 44 ft wide.

Who owns Hidden Shores RD over Gila Gravity Main Canal?

It is owned by the Bureau of Reclamation.