US Bridges

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

Good

Gem County, Idaho · 2.1 N. Sweet · Structure no. 000000000019950

Built
1982
43 years old
Condition
Good
inspected July 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
88 ft
1 main span
Daily traffic
470
2023 count
Owner
County
County Highway Agency

About this bridge

Stc 3840;SWEET-OLA over Squaw Creek;n.Sweet Br. is a prestressed concrete stringer/multi-beam or girder carrying Stc 3840;SWEET-OLA over Squaw Creek;n.Sweet Br. in Gem County, Idaho. It was built in 1982, so it is 43 years old, younger than the Idaho average of 45.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 470 vehicles a day, roughly 15% of them trucks, projected to reach 705 by 2042. The structure is 88 ft (26.8 m) long and 33 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.Sweet Br.
Location2.1 N. Sweet
RouteCounty Highway 3840
CountyGem County
StateIdaho
Coordinates44.00244, -116.328
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2023
Inspection intervalevery 48 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 adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating106 US tons
Inventory rating42 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length88 ft (26.8 m)
Longest span86 ft (26.2 m)
Deck width33 ft (10.1 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic470 (2023)
Projected traffic705 by 2042
Trucks15%
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.Sweet Br. built?

It was built in 1982, making it 43 years old in 2025.

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

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in July 2023.

How much traffic does Stc 3840;SWEET-OLA over Squaw Creek;n.Sweet Br. carry?

About 470 vehicles per day (2023 count), of which roughly 15% are trucks.

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

The structure is 88 ft (26.8 m) long with a longest span of 86 ft (26.2 m) and a deck 33 ft wide.

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

It is owned by the County Highway Agency.