US Bridges

Te Cnty RD 15 over Grand Teton Canal

Fair

Teton County, Wyoming · 1 Mile West of Alta · Structure no. EKO

Built
1974
51 years old
Condition
Fair
inspected August 2023
Type
Culvert
Concrete Continuous
Length
26 ft
3 main spans
Daily traffic
2,115
2024 count
Owner
County
County Highway Agency

About this bridge

Te Cnty RD 15 over Grand Teton Canal is a concrete continuous culvert carrying Te Cnty RD 15 over Grand Teton Canal in Teton County, Wyoming. It was built in 1974, so it is 51 years old, older than the Wyoming average of 48.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 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 2,115 vehicles a day, roughly 5% of them trucks, projected to reach 2,961 by 2043. The structure is 26 ft (7.9 m) long. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesTe Cnty RD 15
CrossesGrand Teton Canal
Location1 Mile West of Alta
RouteCounty Highway 15
CountyTeton County
StateWyoming
Coordinates43.75136, -111.04474
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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being 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 rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadHS 20
Structure length26 ft (7.9 m)
Longest span7 ft (2.1 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,115 (2024)
Projected traffic2,961 by 2043
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost$37,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Te Cnty RD 15 over Grand Teton Canal built?

It was built in 1974, making it 51 years old in 2025.

What condition is Te Cnty RD 15 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 Te Cnty RD 15 over Grand Teton Canal carry?

About 2,115 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is Te Cnty RD 15 over Grand Teton Canal?

The structure is 26 ft (7.9 m) long with a longest span of 7 ft (2.1 m).

Who owns Te Cnty RD 15 over Grand Teton Canal?

It is owned by the County Highway Agency.