US Bridges

S3760;FLTG Feather over Dry Creek Canal

Fair

Ada County, Idaho · 1.0 N. 0.6 E. Star · Structure no. 000000000026365

Built
1987
38 years old
Condition
Fair
inspected March 2021
Type
Culvert
Concrete
Length
30 ft
1 main span
Daily traffic
3,300
2023 count
Owner
County
County Highway Agency

About this bridge

S3760;FLTG Feather over Dry Creek Canal is a concrete culvert carrying S3760;FLTG Feather over Dry Creek Canal in Ada County, Idaho. It was built in 1987, so it is 38 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 3,300 vehicles a day, projected to reach 4,950 by 2042. The structure is 30 ft (9.1 m) long and 42 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesS3760;FLTG Feather
CrossesDry Creek Canal
Location1.0 N. 0.6 E. Star
RouteCounty Highway 3760
CountyAda County
StateIdaho
Coordinates43.70651, -116.48193
Functional classRural Major Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection8 Very GoodNo problems noted.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating92 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length30 ft (9.1 m)
Longest span30 ft (9.1 m)
Deck width42 ft (12.8 m)
Roadway width31 ft (9.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,300 (2023)
Projected traffic4,950 by 2042
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 S3760;FLTG Feather over Dry Creek Canal built?

It was built in 1987, making it 38 years old in 2025.

What condition is S3760;FLTG Feather over Dry Creek 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 March 2021.

How much traffic does S3760;FLTG Feather over Dry Creek Canal carry?

About 3,300 vehicles per day (2023 count).

How long is S3760;FLTG Feather over Dry Creek Canal?

The structure is 30 ft (9.1 m) long with a longest span of 30 ft (9.1 m) and a deck 42 ft wide.

Who owns S3760;FLTG Feather over Dry Creek Canal?

It is owned by the County Highway Agency.