US Bridges

N 3000 E over N.Fk.Teton River

Good

Madison County, Idaho · 4.6 N. 3.6 E. Rexburg · Structure no. 000000000032790

Built
1976
49 years old
Condition
Good
inspected October 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
78 ft
1 main span
Daily traffic
70
2023 count
Owner
County
County Highway Agency

About this bridge

N 3000 E over N.Fk.Teton River is a prestressed concrete stringer/multi-beam or girder carrying N 3000 E over N.Fk.Teton River in Madison 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 70 vehicles a day, roughly 10% of them trucks, projected to reach 105 by 2039. The structure is 78 ft (23.8 m) long and 32 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesN 3000 E
CrossesN.Fk.Teton River
Location4.6 N. 3.6 E. Rexburg
RouteCounty Highway 0
StateIdaho
Coordinates43.89322, -111.71792
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating52 US tons
Inventory rating31 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length78 ft (23.8 m)
Longest span76 ft (23.2 m)
Deck width32 ft (9.7 m)
Roadway width29 ft (8.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic70 (2023)
Projected traffic105 by 2039
Trucks10%
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 N 3000 E over N.Fk.Teton River built?

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

What condition is N 3000 E over N.Fk.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 October 2024.

How much traffic does N 3000 E over N.Fk.Teton River carry?

About 70 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is N 3000 E over N.Fk.Teton River?

The structure is 78 ft (23.8 m) long with a longest span of 76 ft (23.2 m) and a deck 32 ft wide.

Who owns N 3000 E over N.Fk.Teton River?

It is owned by the County Highway Agency.