US Bridges

STC6707; E 97th S over Idaho Canal

Good

Bonneville County, Idaho · 2.0 N 0.5 E Taylorville · Structure no. 000000000020771

Built
2022
3 years old
Condition
Good
inspected April 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
44 ft
1 main span
Daily traffic
910
2023 count
Owner
County
County Highway Agency

About this bridge

STC6707; E 97th S over Idaho Canal is a prestressed concrete box beam or girders - multiple carrying STC6707; E 97th S over Idaho Canal in Bonneville County, Idaho. It was built in 2022, so it is 3 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 910 vehicles a day, roughly 5% of them trucks, projected to reach 1,365 by 2042. The structure is 44 ft (13.4 m) long and 40 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesSTC6707; E 97th S
CrossesIdaho Canal
Location2.0 N 0.5 E Taylorville
RouteCounty Highway 6707
StateIdaho
Coordinates43.41, -112.02397
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionApril 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating43.5 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHL 93
Structure length44 ft (13.4 m)
Longest span41 ft (12.4 m)
Deck width40 ft (12.2 m)
Roadway width37 ft (11.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic910 (2023)
Projected traffic1,365 by 2042
Trucks5%
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 STC6707; E 97th S over Idaho Canal built?

It was built in 2022, making it 3 years old in 2025.

What condition is STC6707; E 97th S over Idaho 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 April 2024.

How much traffic does STC6707; E 97th S over Idaho Canal carry?

About 910 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is STC6707; E 97th S over Idaho Canal?

The structure is 44 ft (13.4 m) long with a longest span of 41 ft (12.4 m) and a deck 40 ft wide.

Who owns STC6707; E 97th S over Idaho Canal?

It is owned by the County Highway Agency.