US Bridges

Stc 3840;SWEET-OLA over Squaw Creek;n.Ola Br.

Fair

Gem County, Idaho · 0.5 N. Ola · Structure no. 000000000019960

Built
1965
60 years old
Condition
Fair
inspected July 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
63 ft
1 main span
Daily traffic
240
2023 count
Owner
County
County Highway Agency

About this bridge

Stc 3840;SWEET-OLA over Squaw Creek;n.Ola Br. is a prestressed concrete stringer/multi-beam or girder carrying Stc 3840;SWEET-OLA over Squaw Creek;n.Ola Br. in Gem 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 240 vehicles a day, roughly 20% of them trucks, projected to reach 360 by 2042. The structure is 63 ft (19.2 m) long and 31 ft wide. If it were closed, the detour would be 28 mi (45 km).

Location

Open in Google Maps
CarriesStc 3840;SWEET-OLA
CrossesSquaw Creek;n.Ola Br.
Location0.5 N. Ola
RouteCounty Highway 3840
CountyGem County
StateIdaho
Coordinates44.18781, -116.29794
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating56 US tons
Inventory rating31 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length63 ft (19.2 m)
Longest span60 ft (18.3 m)
Deck width31 ft (9.4 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic240 (2023)
Projected traffic360 by 2042
Trucks20%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed28 mi (45 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 Stc 3840;SWEET-OLA over Squaw Creek;n.Ola Br. built?

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

What condition is Stc 3840;SWEET-OLA over Squaw Creek;n.Ola Br. 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 Stc 3840;SWEET-OLA over Squaw Creek;n.Ola Br. carry?

About 240 vehicles per day (2023 count), of which roughly 20% are trucks.

How long is Stc 3840;SWEET-OLA over Squaw Creek;n.Ola Br.?

The structure is 63 ft (19.2 m) long with a longest span of 60 ft (18.3 m) and a deck 31 ft wide.

Who owns Stc 3840;SWEET-OLA over Squaw Creek;n.Ola Br.?

It is owned by the County Highway Agency.