US Bridges

STC2735;2900 E. RD over High Line Canal

Good

Twin Falls County, Idaho · 4 S. Twin Falls · Structure no. 000000000019416

Built
2006
19 years old
Condition
Good
inspected February 2021
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
75 ft
1 main span
Daily traffic
870
2023 count
Owner
Local
Other Local Agency

About this bridge

STC2735;2900 E. RD over High Line Canal is a prestressed concrete stringer/multi-beam or girder carrying STC2735;2900 E. RD over High Line Canal in Twin Falls County, Idaho. It was built in 2006, so it is 19 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 870 vehicles a day, roughly 21% of them trucks, projected to reach 1,305 by 2042. The structure is 75 ft (22.8 m) long and 41 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesSTC2735;2900 E. RD
CrossesHigh Line Canal
Location4 S. Twin Falls
RouteCounty Highway 2735
StateIdaho
Coordinates42.48783, -114.48036
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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionFebruary 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 adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating92 US tons
Inventory rating43 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length75 ft (22.8 m)
Longest span74 ft (22.5 m)
Deck width41 ft (12.6 m)
Roadway width39 ft (11.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic870 (2023)
Projected traffic1,305 by 2042
Trucks21%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 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 STC2735;2900 E. RD over High Line Canal built?

It was built in 2006, making it 19 years old in 2025.

What condition is STC2735;2900 E. RD over High Line Canal 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 February 2021.

How much traffic does STC2735;2900 E. RD over High Line Canal carry?

About 870 vehicles per day (2023 count), of which roughly 21% are trucks.

How long is STC2735;2900 E. RD over High Line Canal?

The structure is 75 ft (22.8 m) long with a longest span of 74 ft (22.5 m) and a deck 41 ft wide.

Who owns STC2735;2900 E. RD over High Line Canal?

It is owned by the Other Local Agency.