US Bridges

Aspen Drive over Warm Springs Creek

Fair

Blaine County, Idaho · 0.7 N. 1.7 W. Ketchum · Structure no. 000000000023671

Built
1991
34 years old
Condition
Fair
inspected November 2023
Type
Tee Beam
Prestressed Concrete
Length
46 ft
1 main span
Daily traffic
390
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Aspen Drive over Warm Springs Creek is a prestressed concrete tee beam carrying Aspen Drive over Warm Springs Creek in Blaine County, Idaho. It was built in 1991, so it is 34 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 390 vehicles a day, roughly 5% of them trucks, projected to reach 585 by 2039. The structure is 46 ft (14 m) long and 34 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesAspen Drive
CrossesWarm Springs Creek
Location0.7 N. 1.7 W. Ketchum
RouteCity Street 0
StateIdaho
Coordinates43.68939, -114.39825
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionNovember 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating49.6 US tons
Inventory rating40.7 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length46 ft (14 m)
Longest span43 ft (13.1 m)
Deck width34 ft (10.4 m)
Roadway width31 ft (9.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic390 (2023)
Projected traffic585 by 2039
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Aspen Drive over Warm Springs Creek built?

It was built in 1991, making it 34 years old in 2025.

What condition is Aspen Drive over Warm Springs Creek 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 Aspen Drive over Warm Springs Creek carry?

About 390 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is Aspen Drive over Warm Springs Creek?

The structure is 46 ft (14 m) long with a longest span of 43 ft (13.1 m) and a deck 34 ft wide.

Who owns Aspen Drive over Warm Springs Creek?

It is owned by the City or Municipal Highway Agency.