US Bridges

S6810;PACKSADDLE R over Teton River(cache Br)

Fair

Teton County, Idaho · 2.1 S. 2.5 W. Tetonia · Structure no. 000000000033055

Built
1956
69 years old, rebuilt 2020
Condition
Fair
inspected April 2024
Type
Tee Beam
Concrete
Length
105 ft
3 main spans
Daily traffic
250
2023 count
Owner
County
County Highway Agency

About this bridge

S6810;PACKSADDLE R over Teton River(cache Br) is a concrete tee beam carrying S6810;PACKSADDLE R over Teton River(cache Br) in Teton County, Idaho. It was built in 1956 and reconstructed in 2020, so it is 69 years old, older 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 250 vehicles a day, roughly 14% of them trucks, projected to reach 375 by 2042. The structure is 105 ft (32 m) long and 28 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesS6810;PACKSADDLE R
CrossesTeton River(cache Br)
Location2.1 S. 2.5 W. Tetonia
RouteCounty Highway 6810
StateIdaho
Coordinates43.78147, -111.20986
Functional classRural Major 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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating51 US tons
Inventory rating30 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length105 ft (32 m)
Longest span35 ft (10.7 m)
Deck width28 ft (8.6 m)
Roadway width25 ft (7.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic250 (2023)
Projected traffic375 by 2042
Trucks14%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$989,000 (2017 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was S6810;PACKSADDLE R over Teton River(cache Br) built?

It was built in 1956, making it 69 years old in 2025. It was reconstructed in 2020.

What condition is S6810;PACKSADDLE R over Teton River(cache Br) 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 April 2024.

How much traffic does S6810;PACKSADDLE R over Teton River(cache Br) carry?

About 250 vehicles per day (2023 count), of which roughly 14% are trucks.

How long is S6810;PACKSADDLE R over Teton River(cache Br)?

The structure is 105 ft (32 m) long with a longest span of 35 ft (10.7 m) and a deck 28 ft wide.

Who owns S6810;PACKSADDLE R over Teton River(cache Br)?

It is owned by the County Highway Agency.