US Bridges

Stc 9503;GEKELER over Ridenbaugh Canal

Good

Ada County, Idaho · In Boise;gekeler Lane · Structure no. 000000000025950

Built
1979
46 years old
Condition
Good
inspected October 2023
Type
Tee Beam
Prestressed Concrete
Length
50 ft
1 main span
Daily traffic
4,200
2023 count
Owner
County
County Highway Agency

About this bridge

Stc 9503;GEKELER over Ridenbaugh Canal is a prestressed concrete tee beam carrying Stc 9503;GEKELER over Ridenbaugh Canal in Ada County, Idaho. It was built in 1979, so it is 46 years old, older than the Idaho average of 45.3 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 4,200 vehicles a day, projected to reach 6,300 by 2042. The structure is 50 ft (15.2 m) long and 53 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesStc 9503;GEKELER
CrossesRidenbaugh Canal
LocationIn Boise;gekeler Lane
RouteCity Street 9503
StateIdaho
Coordinates43.57043, -116.18308
Functional classUrban Collector

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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating52 US tons
Inventory rating31 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length50 ft (15.2 m)
Longest span49 ft (14.9 m)
Deck width53 ft (16.1 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,200 (2023)
Projected traffic6,300 by 2042
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Stc 9503;GEKELER over Ridenbaugh Canal built?

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

What condition is Stc 9503;GEKELER over Ridenbaugh Canal 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 2023.

How much traffic does Stc 9503;GEKELER over Ridenbaugh Canal carry?

About 4,200 vehicles per day (2023 count).

How long is Stc 9503;GEKELER over Ridenbaugh Canal?

The structure is 50 ft (15.2 m) long with a longest span of 49 ft (14.9 m) and a deck 53 ft wide.

Who owns Stc 9503;GEKELER over Ridenbaugh Canal?

It is owned by the County Highway Agency.