US Bridges

2nd East Street over Eagle Rock Canal

Good

Jefferson County, Idaho · In RIRIE;2nd E.St · Structure no. 000000000032495

Built
1968
57 years old
Condition
Good
inspected November 2024
Type
Tee Beam
Prestressed Concrete
Length
38 ft
1 main span
Daily traffic
180
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

2nd East Street over Eagle Rock Canal is a prestressed concrete tee beam carrying 2nd East Street over Eagle Rock Canal in Jefferson County, Idaho. It was built in 1968, so it is 57 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 180 vehicles a day, roughly 10% of them trucks, projected to reach 270 by 2039. The structure is 38 ft (11.6 m) long and 24 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Carries2nd East Street
CrossesEagle Rock Canal
LocationIn RIRIE;2nd E.St
RouteCity Street 0
StateIdaho
Coordinates43.62756, -111.77117
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating38 US tons
Inventory rating23 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length38 ft (11.6 m)
Longest span36 ft (11 m)
Deck width24 ft (7.3 m)
Roadway width21 ft (6.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic180 (2023)
Projected traffic270 by 2039
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$416,000 (2020 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was 2nd East Street over Eagle Rock Canal built?

It was built in 1968, making it 57 years old in 2025.

What condition is 2nd East Street over Eagle Rock Canal 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 November 2024.

How much traffic does 2nd East Street over Eagle Rock Canal carry?

About 180 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is 2nd East Street over Eagle Rock Canal?

The structure is 38 ft (11.6 m) long with a longest span of 36 ft (11 m) and a deck 24 ft wide.

Who owns 2nd East Street over Eagle Rock Canal?

It is owned by the City or Municipal Highway Agency.