US Bridges

Leadville Ave over Trail Creek

Fair

Blaine County, Idaho · Ketchum · Structure no. 000000000037405

Built
1980
45 years old
Condition
Fair
inspected August 2024
Type
Channel Beam
Prestressed Concrete
Length
32 ft
1 main span
Daily traffic
1,000
2024 count
Owner
City
City or Municipal Highway Agency

About this bridge

Leadville Ave over Trail Creek is a prestressed concrete channel beam carrying Leadville Ave over Trail Creek in Blaine County, Idaho. It was built in 1980, so it is 45 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 1,000 vehicles a day, roughly 1% of them trucks, projected to reach 1,500 by 2042. The structure is 32 ft (9.8 m) long and 36 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesLeadville Ave
CrossesTrail Creek
LocationKetchum
RouteCity Street 0
StateIdaho
Coordinates43.67894, -114.36028
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
Deck8 Very GoodNo problems noted.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour evaluation has not been made
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

Structure typeChannel Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length32 ft (9.8 m)
Longest span31 ft (9.4 m)
Deck width36 ft (11 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic1,000 (2024)
Projected traffic1,500 by 2042
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 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 Leadville Ave over Trail Creek built?

It was built in 1980, making it 45 years old in 2025.

What condition is Leadville Ave over Trail 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 August 2024.

How much traffic does Leadville Ave over Trail Creek carry?

About 1,000 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is Leadville Ave over Trail Creek?

The structure is 32 ft (9.8 m) long with a longest span of 31 ft (9.4 m) and a deck 36 ft wide.

Who owns Leadville Ave over Trail Creek?

It is owned by the City or Municipal Highway Agency.