US Bridges

N 2750 E over Teton River

Good

Fremont County, Idaho · 3.6 N. Newdale · Structure no. 000000000021060

Built
1976
49 years old
Condition
Good
inspected September 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
166 ft
2 main spans
Daily traffic
300
2023 count
Owner
County
County Highway Agency

About this bridge

N 2750 E over Teton River is a prestressed concrete stringer/multi-beam or girder carrying N 2750 E over Teton River in Fremont County, Idaho. It was built in 1976, so it is 49 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 300 vehicles a day, roughly 15% of them trucks, projected to reach 450 by 2042. The structure is 166 ft (50.6 m) long and 32 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesN 2750 E
CrossesTeton River
Location3.6 N. Newdale
RouteCounty Highway 0
StateIdaho
Coordinates43.93389, -111.60839
Functional classRural Minor 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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation7: Better than 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 rating63.1 US tons
Inventory rating39 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2 (+2 approach)
Design loadHS 20
Structure length166 ft (50.6 m)
Longest span82 ft (25 m)
Deck width32 ft (9.7 m)
Roadway width29 ft (8.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic300 (2023)
Projected traffic450 by 2042
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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 N 2750 E over Teton River built?

It was built in 1976, making it 49 years old in 2025.

What condition is N 2750 E over Teton River 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 September 2024.

How much traffic does N 2750 E over Teton River carry?

About 300 vehicles per day (2023 count), of which roughly 15% are trucks.

How long is N 2750 E over Teton River?

The structure is 166 ft (50.6 m) long with a longest span of 82 ft (25 m) and a deck 32 ft wide.

Who owns N 2750 E over Teton River?

It is owned by the County Highway Agency.