US Bridges

STC2781;470 N. Rd. over 700 Creek

Good

Lincoln County, Idaho · 4.3 N. 6.5 W. Shoshone · Structure no. 000000000025095

Built
1965
60 years old
Condition
Good
inspected March 2021
Type
Frame
Concrete
Length
20 ft
1 main span
Daily traffic
360
2023 count
Owner
Local
Other Local Agency

About this bridge

STC2781;470 N. Rd. over 700 Creek is a concrete frame carrying STC2781;470 N. Rd. over 700 Creek in Lincoln 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 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 360 vehicles a day, roughly 29% of them trucks, projected to reach 540 by 2042. The structure is 20 ft (6.1 m) long and 36 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesSTC2781;470 N. Rd.
Crosses700 Creek
Location4.3 N. 6.5 W. Shoshone
RouteCounty Highway 2781
StateIdaho
Coordinates43.00389, -114.52389
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 inspectionMarch 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating87 US tons
Inventory rating52 US tons

Structure

Structure typeFrame
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length20 ft (6.1 m)
Longest span20 ft (6.1 m)
Deck width36 ft (11 m)
Roadway width34 ft (10.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic360 (2023)
Projected traffic540 by 2042
Trucks29%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 STC2781;470 N. Rd. over 700 Creek built?

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

What condition is STC2781;470 N. Rd. over 700 Creek 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 March 2021.

How much traffic does STC2781;470 N. Rd. over 700 Creek carry?

About 360 vehicles per day (2023 count), of which roughly 29% are trucks.

How long is STC2781;470 N. Rd. over 700 Creek?

The structure is 20 ft (6.1 m) long with a longest span of 20 ft (6.1 m) and a deck 36 ft wide.

Who owns STC2781;470 N. Rd. over 700 Creek?

It is owned by the Other Local Agency.