US Bridges

US 95 over Golden Gate Canal

Fair

Canyon County, Idaho · Wilder Scl · Structure no. 000000000018055

Built
1956
69 years old
Condition
Fair
inspected November 2023
Type
Frame
Concrete
Length
24 ft
1 main span
Daily traffic
7,200
2023 count
Owner
State
State Highway Agency

About this bridge

US 95 over Golden Gate Canal is a concrete frame carrying US 95 over Golden Gate Canal in Canyon County, Idaho. It was built in 1956, so it is 69 years old, older than the Idaho average of 45.3 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 7,200 vehicles a day, roughly 7% of them trucks, projected to reach 10,800 by 2042. The structure is 24 ft (7.4 m) long and 80 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesUS 95
CrossesGolden Gate Canal
LocationWilder Scl
RouteU.S. Route 95
StateIdaho
Coordinates43.67186, -116.912
Functional classRural Principal Arterial - Other

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating49.1 US tons
Inventory rating29 US tons

Structure

Structure typeFrame
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length24 ft (7.4 m)
Longest span22 ft (6.7 m)
Deck width80 ft (24.4 m)
Roadway width65 ft (19.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,200 (2023)
Projected traffic10,800 by 2042
Trucks7%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkNon-Interstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$316,000 (2021 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was US 95 over Golden Gate Canal built?

It was built in 1956, making it 69 years old in 2025.

What condition is US 95 over Golden Gate 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 November 2023.

How much traffic does US 95 over Golden Gate Canal carry?

About 7,200 vehicles per day (2023 count), of which roughly 7% are trucks.

How long is US 95 over Golden Gate Canal?

The structure is 24 ft (7.4 m) long with a longest span of 22 ft (6.7 m) and a deck 80 ft wide.

Who owns US 95 over Golden Gate Canal?

It is owned by the State Highway Agency.