US Bridges

Stateline RD;WY16 over Grand Teton Canal

Fair

Teton County, Idaho · 1 MI West of Alta · Structure no. 000000000031223

Built
2005
20 years old
Condition
Fair
inspected August 2023
Type
Culvert
Concrete
Length
25 ft
1 main span
Daily traffic
2,300
2023 count
Owner
County
County Highway Agency

About this bridge

Stateline RD;WY16 over Grand Teton Canal is a concrete culvert carrying Stateline RD;WY16 over Grand Teton Canal in Teton County, Idaho. It was built in 2005, so it is 20 years old, younger than the Idaho average of 45.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 2,300 vehicles a day, roughly 11% of them trucks, projected to reach 3,450 by 2042. The structure is 25 ft (7.6 m) long. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesStateline RD;WY16
CrossesGrand Teton Canal
Location1 MI West of Alta
RouteCounty Highway 0
CountyTeton County
StateIdaho
Coordinates43.75083, -111.04667
Functional classRural Minor Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHL 93
Structure length25 ft (7.6 m)
Longest span21 ft (6.5 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,300 (2023)
Projected traffic3,450 by 2042
Trucks11%
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 statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Stateline RD;WY16 over Grand Teton Canal built?

It was built in 2005, making it 20 years old in 2025.

What condition is Stateline RD;WY16 over Grand Teton Canal in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in August 2023.

How much traffic does Stateline RD;WY16 over Grand Teton Canal carry?

About 2,300 vehicles per day (2023 count), of which roughly 11% are trucks.

How long is Stateline RD;WY16 over Grand Teton Canal?

The structure is 25 ft (7.6 m) long with a longest span of 21 ft (6.5 m).

Who owns Stateline RD;WY16 over Grand Teton Canal?

It is owned by the County Highway Agency.