US Bridges

S 2000 E over Darby Creek

Good

Teton County, Idaho · 3.3 S. 2.5 E. Driggs · Structure no. 000000000036110

Built
2014
11 years old
Condition
Good
inspected September 2024
Type
Girder and Floorbeam System
Steel
Length
44 ft
1 main span
Daily traffic
200
2023 count
Owner
County
County Highway Agency

About this bridge

S 2000 E over Darby Creek is a steel girder and floorbeam system carrying S 2000 E over Darby Creek in Teton County, Idaho. It was built in 2014, so it is 11 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 200 vehicles a day, roughly 10% of them trucks, projected to reach 300 by 2039. The structure is 44 ft (13.4 m) long and 28 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesS 2000 E
CrossesDarby Creek
Location3.3 S. 2.5 E. Driggs
RouteCounty Highway 0
StateIdaho
Coordinates43.67444, -111.06086
Functional classRural Local

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 inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating21.1 US tons

Structure

MaterialSteel
DeckSteel plate
Main spans1
Design loadHS 20
Structure length44 ft (13.4 m)
Longest span43 ft (13.1 m)
Deck width28 ft (8.4 m)
Roadway width23 ft (7.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic200 (2023)
Projected traffic300 by 2039
Trucks10%
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 S 2000 E over Darby Creek built?

It was built in 2014, making it 11 years old in 2025.

What condition is S 2000 E over Darby 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 September 2024.

How much traffic does S 2000 E over Darby Creek carry?

About 200 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is S 2000 E over Darby Creek?

The structure is 44 ft (13.4 m) long with a longest span of 43 ft (13.1 m) and a deck 28 ft wide.

Who owns S 2000 E over Darby Creek?

It is owned by the County Highway Agency.