US Bridges

Track Road over Mora Canal

Fair

Canyon County, Idaho · 9.4 S. 1.1 E. Nampa · Structure no. 000000000026930

Built
1983
42 years old
Condition
Fair
inspected February 2024
Type
Tee Beam
Prestressed Concrete
Length
47 ft
1 main span
Daily traffic
200
2023 count
Owner
Local
Other Local Agency

About this bridge

Track Road over Mora Canal is a prestressed concrete tee beam carrying Track Road over Mora Canal in Canyon County, Idaho. It was built in 1983, so it is 42 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 200 vehicles a day, roughly 10% of them trucks, projected to reach 300 by 2039. The structure is 47 ft (14.3 m) long and 36 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesTrack Road
CrossesMora Canal
Location9.4 S. 1.1 E. Nampa
RouteCounty Highway 0
StateIdaho
Coordinates43.4415, -116.54503
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating52 US tons
Inventory rating31 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length47 ft (14.3 m)
Longest span46 ft (14 m)
Deck width36 ft (11 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic200 (2023)
Projected traffic300 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

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 Track Road over Mora Canal built?

It was built in 1983, making it 42 years old in 2025.

What condition is Track 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 2024.

How much traffic does Track Road over Mora Canal carry?

About 200 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is Track Road over Mora Canal?

The structure is 47 ft (14.3 m) long with a longest span of 46 ft (14 m) and a deck 36 ft wide.

Who owns Track Road over Mora Canal?

It is owned by the Other Local Agency.