US Bridges

S3802;SLICK Ranch over Snake Rvr(slick Bridge)

Fair

Elmore County, Idaho · 2.5 W. Glens Ferry · Structure no. 000000000019840

Built
1965
60 years old
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
560 ft
8 main spans
Daily traffic
260
2023 count
Owner
Local
Other Local Agency

About this bridge

S3802;SLICK Ranch over Snake Rvr(slick Bridge) is a prestressed concrete stringer/multi-beam or girder carrying S3802;SLICK Ranch over Snake Rvr(slick Bridge) in Elmore County, Idaho. It was built in 1965, so it is 60 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.

It carries about 260 vehicles a day, roughly 4% of them trucks, projected to reach 390 by 2042. The structure is 560 ft (170.7 m) long and 31 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

Location

Open in Google Maps
CarriesS3802;SLICK Ranch
CrossesSnake Rvr(slick Bridge)
Location2.5 W. Glens Ferry
RouteCounty Highway 3802
CountyElmore County
StateIdaho
Coordinates42.95478, -115.35131
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating67 US tons
Inventory rating38 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans8
Design loadHS 20
Structure length560 ft (170.7 m)
Longest span69 ft (21 m)
Deck width31 ft (9.6 m)
Roadway width26 ft (8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic260 (2023)
Projected traffic390 by 2042
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerOther Local Agency
Maintained byOther Local 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 S3802;SLICK Ranch over Snake Rvr(slick Bridge) built?

It was built in 1965, making it 60 years old in 2025.

What condition is S3802;SLICK Ranch over Snake Rvr(slick Bridge) 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 2024.

How much traffic does S3802;SLICK Ranch over Snake Rvr(slick Bridge) carry?

About 260 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is S3802;SLICK Ranch over Snake Rvr(slick Bridge)?

The structure is 560 ft (170.7 m) long with a longest span of 69 ft (21 m) and a deck 31 ft wide.

Who owns S3802;SLICK Ranch over Snake Rvr(slick Bridge)?

It is owned by the Other Local Agency.