US Bridges

STC3753;LONE Star over Caldwell Canal

Good

Canyon County, Idaho · 6.0 S 1.4 E Caldwell · Structure no. 000000000027551

Built
2010
15 years old
Condition
Good
inspected March 2022
Type
Frame
Concrete
Length
22 ft
1 main span
Daily traffic
720
2023 count
Owner
Local
Other Local Agency

About this bridge

STC3753;LONE Star over Caldwell Canal is a concrete frame carrying STC3753;LONE Star over Caldwell Canal in Canyon County, Idaho. It was built in 2010, so it is 15 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 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 720 vehicles a day, projected to reach 1,080 by 2042. The structure is 22 ft (6.7 m) long and 50 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesSTC3753;LONE Star
CrossesCaldwell Canal
Location6.0 S 1.4 E Caldwell
RouteCounty Highway 3753
CountyCanyon County
StateIdaho
Coordinates43.5755, -116.65989
Functional classRural Major Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionMarch 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating85 US tons
Inventory rating51 US tons

Structure

Structure typeFrame
MaterialConcrete
DeckConcrete, precast panels
Main spans1
Design loadHS 25 or greater
Structure length22 ft (6.7 m)
Longest span22 ft (6.7 m)
Deck width50 ft (15.1 m)
Roadway width49 ft (14.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic720 (2023)
Projected traffic1,080 by 2042
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerOther Local Agency
Maintained byOther Local 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 STC3753;LONE Star over Caldwell Canal built?

It was built in 2010, making it 15 years old in 2025.

What condition is STC3753;LONE Star over Caldwell 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 2022.

How much traffic does STC3753;LONE Star over Caldwell Canal carry?

About 720 vehicles per day (2023 count).

How long is STC3753;LONE Star over Caldwell Canal?

The structure is 22 ft (6.7 m) long with a longest span of 22 ft (6.7 m) and a deck 50 ft wide.

Who owns STC3753;LONE Star over Caldwell Canal?

It is owned by the Other Local Agency.