US Bridges

US 20 Wbl & Ebl over Sma 7076;LINDSAY Blvd.Ic

Fair

Bonneville County, Idaho · In Idaho Falls;lindsay Bl · Structure no. 000000000012320

Built
1966
59 years old, rebuilt 1989
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
117 ft
3 main spans
Daily traffic
32,000
2023 count
Owner
State
State Highway Agency

About this bridge

US 20 Wbl & Ebl over Sma 7076;LINDSAY Blvd.Ic is a prestressed concrete stringer/multi-beam or girder carrying US 20 Wbl & Ebl over Sma 7076;LINDSAY Blvd.Ic in Bonneville County, Idaho. It was built in 1966 and reconstructed in 1989, so it is 59 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 32,000 vehicles a day, roughly 10% of them trucks, projected to reach 48,000 by 2042. The structure is 117 ft (35.7 m) long and 67 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesUS 20 Wbl & Ebl
CrossesSma 7076;LINDSAY Blvd.Ic
LocationIn Idaho Falls;lindsay Bl
RouteU.S. Route 20
StateIdaho
Coordinates43.50478, -112.05369
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating58 US tons
Inventory rating32 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length117 ft (35.7 m)
Longest span38 ft (11.6 m)
Deck width67 ft (20.3 m)
Roadway width52 ft (15.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic32,000 (2023)
Projected traffic48,000 by 2042
Trucks10%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed1.9 mi (3 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1.8 million (2023 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was US 20 Wbl & Ebl over Sma 7076;LINDSAY Blvd.Ic built?

It was built in 1966, making it 59 years old in 2025. It was reconstructed in 1989.

What condition is US 20 Wbl & Ebl over Sma 7076;LINDSAY Blvd.Ic 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 May 2023.

How much traffic does US 20 Wbl & Ebl over Sma 7076;LINDSAY Blvd.Ic carry?

About 32,000 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is US 20 Wbl & Ebl over Sma 7076;LINDSAY Blvd.Ic?

The structure is 117 ft (35.7 m) long with a longest span of 38 ft (11.6 m) and a deck 67 ft wide.

Who owns US 20 Wbl & Ebl over Sma 7076;LINDSAY Blvd.Ic?

It is owned by the State Highway Agency.