US Bridges

I 86 Ebl over Ramsey Rd;seagull Bay Ic

Fair

Power County, Idaho · 5.7 E. American Falls · Structure no. 000000000010810

Built
1963
62 years old
Condition
Fair
inspected May 2022
Type
Stringer/Multi-beam or Girder
Concrete
Length
112 ft
3 main spans
Daily traffic
6,500
2023 count
Owner
State
State Highway Agency

About this bridge

I 86 Ebl over Ramsey Rd;seagull Bay Ic is a concrete stringer/multi-beam or girder carrying I 86 Ebl over Ramsey Rd;seagull Bay Ic in Power County, Idaho. It was built in 1963, so it is 62 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 6,500 vehicles a day, roughly 19% of them trucks, projected to reach 9,750 by 2042. The structure is 112 ft (34.1 m) long and 40 ft wide.

CarriesI 86 Ebl
CrossesRamsey Rd;seagull Bay Ic
Location5.7 E. American Falls
RouteInterstate 86
StateIdaho
Coordinates42.83448, -112.77013
Functional classRural Principal Arterial - Interstate

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 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating55 US tons
Inventory rating33 US tons

Structure

MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length112 ft (34.1 m)
Longest span37 ft (11.3 m)
Deck width40 ft (12.2 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,500 (2023)
Projected traffic9,750 by 2042
Trucks19%
Lanes on structure2
Traffic directionOne-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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 I 86 Ebl over Ramsey Rd;seagull Bay Ic built?

It was built in 1963, making it 62 years old in 2025.

What condition is I 86 Ebl over Ramsey Rd;seagull Bay 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 2022.

How much traffic does I 86 Ebl over Ramsey Rd;seagull Bay Ic carry?

About 6,500 vehicles per day (2023 count), of which roughly 19% are trucks.

How long is I 86 Ebl over Ramsey Rd;seagull Bay Ic?

The structure is 112 ft (34.1 m) long with a longest span of 37 ft (11.3 m) and a deck 40 ft wide.

Who owns I 86 Ebl over Ramsey Rd;seagull Bay Ic?

It is owned by the State Highway Agency.