US Bridges

STC6715(N 3400 E) over Burgess Canal

Good

Jefferson County, Idaho · 3.9 S. 0.5 W. Lewisville · Structure no. 000000000020815

Built
1960
65 years old
Condition
Good
inspected March 2023
Type
Frame
Concrete
Length
21 ft
1 main span
Daily traffic
2,800
2023 count
Owner
County
County Highway Agency

About this bridge

STC6715(N 3400 E) over Burgess Canal is a concrete frame carrying STC6715(N 3400 E) over Burgess Canal in Jefferson County, Idaho. It was built in 1960, so it is 65 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 2,800 vehicles a day, roughly 22% of them trucks, projected to reach 4,200 by 2042. The structure is 21 ft (6.4 m) long and 42 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesSTC6715(N 3400 E)
CrossesBurgess Canal
Location3.9 S. 0.5 W. Lewisville
RouteCounty Highway 6715
StateIdaho
Coordinates43.63872, -112.02344
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 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating47 US tons
Inventory rating28 US tons

Structure

Structure typeFrame
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length21 ft (6.4 m)
Longest span21 ft (6.4 m)
Deck width42 ft (12.8 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,800 (2023)
Projected traffic4,200 by 2042
Trucks22%
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 STC6715(N 3400 E) over Burgess Canal built?

It was built in 1960, making it 65 years old in 2025.

What condition is STC6715(N 3400 E) over Burgess 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 March 2023.

How much traffic does STC6715(N 3400 E) over Burgess Canal carry?

About 2,800 vehicles per day (2023 count), of which roughly 22% are trucks.

How long is STC6715(N 3400 E) over Burgess Canal?

The structure is 21 ft (6.4 m) long with a longest span of 21 ft (6.4 m) and a deck 42 ft wide.

Who owns STC6715(N 3400 E) over Burgess Canal?

It is owned by the County Highway Agency.