US Bridges

Cool Road over Mora Canal

Fair

Canyon County, Idaho · 3.1 S. 8.4 W. Nampa · Structure no. 000000000027146

Built
1995
30 years old
Condition
Fair
inspected February 2023
Type
Frame
Concrete
Length
29 ft
1 main span
Daily traffic
310
2023 count
Owner
Local
Other Local Agency

About this bridge

Cool Road over Mora Canal is a concrete frame carrying Cool Road over Mora Canal in Canyon County, Idaho. It was built in 1995, so it is 30 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 310 vehicles a day, roughly 10% of them trucks, projected to reach 465 by 2039. The structure is 29 ft (8.8 m) long and 151 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesCool Road
CrossesMora Canal
Location3.1 S. 8.4 W. Nampa
RouteCounty Highway 0
StateIdaho
Coordinates43.53139, -116.73286
Functional classRural Local

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.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to 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 rating38 US tons
Inventory rating23 US tons

Structure

Structure typeFrame
MaterialConcrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length29 ft (8.8 m)
Longest span29 ft (8.8 m)
Deck width151 ft (46 m)
Roadway width151 ft (46 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic310 (2023)
Projected traffic465 by 2039
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 Cool Road over Mora Canal built?

It was built in 1995, making it 30 years old in 2025.

What condition is Cool Road over Mora Canal 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 February 2023.

How much traffic does Cool Road over Mora Canal carry?

About 310 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is Cool Road over Mora Canal?

The structure is 29 ft (8.8 m) long with a longest span of 29 ft (8.8 m) and a deck 151 ft wide.

Who owns Cool Road over Mora Canal?

It is owned by the Other Local Agency.