US Bridges

Eastside Drive over Liberty Park Canal

Good

Madison County, Idaho · 0.5 W 1.0 S Thornton · Structure no. 000000000036205

Built
2021
4 years old
Condition
Good
inspected March 2023
Type
Frame
Concrete
Length
23 ft
1 main span
Daily traffic
70
2023 count
Owner
County
County Highway Agency

About this bridge

Eastside Drive over Liberty Park Canal is a concrete frame carrying Eastside Drive over Liberty Park Canal in Madison County, Idaho. It was built in 2021, so it is 4 years old, younger 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 70 vehicles a day, roughly 10% of them trucks, projected to reach 105 by 2041. The structure is 23 ft (7.1 m) long and 52 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

Location

Open in Google Maps
CarriesEastside Drive
CrossesLiberty Park Canal
Location0.5 W 1.0 S Thornton
RouteCounty Highway 0
CountyMadison County
StateIdaho
Coordinates43.74425, -111.85522
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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMarch 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating84.7 US tons
Inventory rating65.4 US tons

Structure

Structure typeFrame
MaterialConcrete
DeckConcrete, precast panels
Main spans1
Design loadHL 93
Structure length23 ft (7.1 m)
Longest span23 ft (7.1 m)
Deck width52 ft (15.8 m)
Roadway width50 ft (15.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic70 (2023)
Projected traffic105 by 2041
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 Eastside Drive over Liberty Park Canal built?

It was built in 2021, making it 4 years old in 2025.

What condition is Eastside Drive over Liberty Park 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 March 2023.

How much traffic does Eastside Drive over Liberty Park Canal carry?

About 70 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is Eastside Drive over Liberty Park Canal?

The structure is 23 ft (7.1 m) long with a longest span of 23 ft (7.1 m) and a deck 52 ft wide.

Who owns Eastside Drive over Liberty Park Canal?

It is owned by the County Highway Agency.