US Bridges

US 20 Ebl over S.Fk.Teton River

Fair

Madison County, Idaho · 0.9 N. Rexburg · Structure no. 000000000012565

Built
1980
45 years old
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
179 ft
3 main spans
Daily traffic
10,000
2023 count
Owner
State
State Highway Agency

About this bridge

US 20 Ebl over S.Fk.Teton River is a steel continuous stringer/multi-beam or girder carrying US 20 Ebl over S.Fk.Teton River in Madison County, Idaho. It was built in 1980, so it is 45 years old, younger 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 10,000 vehicles a day, roughly 11% of them trucks, projected to reach 15,000 by 2042. The structure is 179 ft (54.6 m) long and 44 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesUS 20 Ebl
CrossesS.Fk.Teton River
Location0.9 N. Rexburg
RouteU.S. Route 20
CountyMadison County
StateIdaho
Coordinates43.83939, -111.81075
Functional classUrban Other Principal Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 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 geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating69 US tons
Inventory rating41 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length179 ft (54.6 m)
Longest span59 ft (18 m)
Deck width44 ft (13.3 m)
Roadway width41 ft (12.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,000 (2023)
Projected traffic15,000 by 2042
Trucks11%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 US 20 Ebl over S.Fk.Teton River built?

It was built in 1980, making it 45 years old in 2025.

What condition is US 20 Ebl over S.Fk.Teton River 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 September 2024.

How much traffic does US 20 Ebl over S.Fk.Teton River carry?

About 10,000 vehicles per day (2023 count), of which roughly 11% are trucks.

How long is US 20 Ebl over S.Fk.Teton River?

The structure is 179 ft (54.6 m) long with a longest span of 59 ft (18 m) and a deck 44 ft wide.

Who owns US 20 Ebl over S.Fk.Teton River?

It is owned by the State Highway Agency.