US Bridges

S Daisy Street over Spring Creek

FairPosted for load

Lemhi County, Idaho · In Salmon;daisy ST · Structure no. 000000000032765

Built
1975
50 years old
Condition
Fair
inspected July 2023
Type
Girder and Floorbeam System
Steel
Length
23 ft
1 main span
Daily traffic
250
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

S Daisy Street over Spring Creek is a steel girder and floorbeam system carrying S Daisy Street over Spring Creek in Lemhi County, Idaho. It was built in 1975, so it is 50 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. Its operating status is: posted for load restriction.

It carries about 250 vehicles a day, roughly 10% of them trucks, projected to reach 375 by 2039. The structure is 23 ft (7 m) long and 31 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesS Daisy Street
CrossesSpring Creek
LocationIn Salmon;daisy ST
RouteCity Street 0
StateIdaho
Coordinates45.16944, -113.89583
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating20 US tons
Inventory rating15 US tons

Structure

MaterialSteel
DeckWood or timber
Main spans1
Design loadH 15
Structure length23 ft (7 m)
Longest span22 ft (6.7 m)
Deck width31 ft (9.4 m)
Roadway width30 ft (9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic250 (2023)
Projected traffic375 by 2039
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$523,000 (2019 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was S Daisy Street over Spring Creek built?

It was built in 1975, making it 50 years old in 2025.

What condition is S Daisy Street over Spring 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 July 2023.

How much traffic does S Daisy Street over Spring Creek carry?

About 250 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is S Daisy Street over Spring Creek?

The structure is 23 ft (7 m) long with a longest span of 22 ft (6.7 m) and a deck 31 ft wide.

Who owns S Daisy Street over Spring Creek?

It is owned by the City or Municipal Highway Agency.