US Bridges

Stc 6774;E 2000 N over S.Fk.Teton R.Overflow

Good

Madison County, Idaho · 1.2 S. 0.7 E. Sugar City · Structure no. 000000000021020

Built
1974
51 years old
Condition
Good
inspected October 2024
Type
Frame
Concrete
Length
23 ft
1 main span
Daily traffic
1,500
2023 count
Owner
County
County Highway Agency

About this bridge

Stc 6774;E 2000 N over S.Fk.Teton R.Overflow is a concrete frame carrying Stc 6774;E 2000 N over S.Fk.Teton R.Overflow in Madison County, Idaho. It was built in 1974, so it is 51 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 1,500 vehicles a day, roughly 35% of them trucks, projected to reach 2,250 by 2042. The structure is 23 ft (7 m) long and 38 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesStc 6774;E 2000 N
CrossesS.Fk.Teton R.Overflow
Location1.2 S. 0.7 E. Sugar City
RouteCounty Highway 6774
StateIdaho
Coordinates43.85475, -111.73419
Functional classRural Major 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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than 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 alignment8: Equal to present desirable criteria
Operating rating75 US tons
Inventory rating45 US tons

Structure

Structure typeFrame
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length23 ft (7 m)
Longest span23 ft (7 m)
Deck width38 ft (11.6 m)
Roadway width31 ft (9.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,500 (2023)
Projected traffic2,250 by 2042
Trucks35%
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 Stc 6774;E 2000 N over S.Fk.Teton R.Overflow built?

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

What condition is Stc 6774;E 2000 N over S.Fk.Teton R.Overflow 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 Stc 6774;E 2000 N over S.Fk.Teton R.Overflow carry?

About 1,500 vehicles per day (2023 count), of which roughly 35% are trucks.

How long is Stc 6774;E 2000 N over S.Fk.Teton R.Overflow?

The structure is 23 ft (7 m) long with a longest span of 23 ft (7 m) and a deck 38 ft wide.

Who owns Stc 6774;E 2000 N over S.Fk.Teton R.Overflow?

It is owned by the County Highway Agency.