US Bridges

Sma 8963;EAGLE RD over Ridenbaugh Canal

Fair

Ada County, Idaho · 2.0 S. 1.9 E. Meridian · Structure no. 000000000026091

Built
2011
14 years old
Condition
Fair
inspected November 2024
Type
Slab
Prestressed Concrete
Length
38 ft
1 main span
Daily traffic
22,000
2023 count
Owner
County
County Highway Agency

About this bridge

Sma 8963;EAGLE RD over Ridenbaugh Canal is a prestressed concrete slab carrying Sma 8963;EAGLE RD over Ridenbaugh Canal in Ada County, Idaho. It was built in 2011, so it is 14 years old, younger 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 22,000 vehicles a day, roughly 2% of them trucks, projected to reach 33,000 by 2042. The structure is 38 ft (11.6 m) long and 88 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

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CarriesSma 8963;EAGLE RD
CrossesRidenbaugh Canal
Location2.0 S. 1.9 E. Meridian
RouteCounty Highway 8963
CountyAda County
StateIdaho
Coordinates43.58253, -116.35447
Functional classUrban Other Principal Arterial

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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating67 US tons
Inventory rating33 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length38 ft (11.6 m)
Longest span35 ft (10.7 m)
Deck width88 ft (26.8 m)
Roadway width71 ft (21.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic22,000 (2023)
Projected traffic33,000 by 2042
Trucks2%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed3.7 mi (6 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 Sma 8963;EAGLE RD over Ridenbaugh Canal built?

It was built in 2011, making it 14 years old in 2025.

What condition is Sma 8963;EAGLE RD over Ridenbaugh 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 2024.

How much traffic does Sma 8963;EAGLE RD over Ridenbaugh Canal carry?

About 22,000 vehicles per day (2023 count), of which roughly 2% are trucks.

How long is Sma 8963;EAGLE RD over Ridenbaugh Canal?

The structure is 38 ft (11.6 m) long with a longest span of 35 ft (10.7 m) and a deck 88 ft wide.

Who owns Sma 8963;EAGLE RD over Ridenbaugh Canal?

It is owned by the County Highway Agency.