US Bridges

US 20 over 2290 E

Fair

Fremont County, Idaho · 0.5 S. ST Anthony · Structure no. 000000000012605

Built
1984
41 years old
Condition
Fair
inspected May 2024
Type
Frame
Concrete
Length
24 ft
1 main span
Daily traffic
12,500
2023 count
Owner
State
State Highway Agency

About this bridge

US 20 over 2290 E is a concrete frame carrying US 20 over 2290 E in Fremont County, Idaho. It was built in 1984, so it is 41 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 12,500 vehicles a day, roughly 12% of them trucks, projected to reach 18,750 by 2042. The structure is 24 ft (7.3 m) long and 114 ft wide.

CarriesUS 20
Crosses2290 E
Location0.5 S. ST Anthony
RouteU.S. Route 20
StateIdaho
Coordinates43.95389, -111.69828
Functional classRural Principal Arterial - Other

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 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating94 US tons
Inventory rating56 US tons

Structure

Structure typeFrame
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length24 ft (7.3 m)
Longest span24 ft (7.3 m)
Deck width114 ft (34.7 m)
Roadway width88 ft (26.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,500 (2023)
Projected traffic18,750 by 2042
Trucks12%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was US 20 over 2290 E built?

It was built in 1984, making it 41 years old in 2025.

What condition is US 20 over 2290 E 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 2024.

How much traffic does US 20 over 2290 E carry?

About 12,500 vehicles per day (2023 count), of which roughly 12% are trucks.

How long is US 20 over 2290 E?

The structure is 24 ft (7.3 m) long with a longest span of 24 ft (7.3 m) and a deck 114 ft wide.

Who owns US 20 over 2290 E?

It is owned by the State Highway Agency.