US Bridges

Rim Road over Mora Canal

Fair

Canyon County, Idaho · 7.0 S. 3.6 W. Nampa · Structure no. 000000000027536

Built
1995
30 years old
Condition
Fair
inspected February 2022
Type
Frame
Concrete
Length
40 ft
2 main spans
Daily traffic
120
2023 count
Owner
Local
Other Local Agency

About this bridge

Rim Road over Mora Canal is a concrete frame carrying Rim 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 120 vehicles a day, roughly 20% of them trucks, projected to reach 180 by 2042. The structure is 40 ft (12.2 m) long and 50 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesRim Road
CrossesMora Canal
Location7.0 S. 3.6 W. Nampa
RouteCounty Highway 0
StateIdaho
Coordinates43.47736, -116.63308
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionFebruary 2022
Inspection intervalevery 48 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 alignment7: Better than present minimum criteria
Operating rating72 US tons
Inventory rating43 US tons

Structure

Structure typeFrame
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length40 ft (12.2 m)
Longest span18 ft (5.5 m)
Deck width50 ft (15.2 m)
Roadway width49 ft (14.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic120 (2023)
Projected traffic180 by 2042
Trucks20%
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 Rim Road over Mora Canal built?

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

What condition is Rim 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 2022.

How much traffic does Rim Road over Mora Canal carry?

About 120 vehicles per day (2023 count), of which roughly 20% are trucks.

How long is Rim Road over Mora Canal?

The structure is 40 ft (12.2 m) long with a longest span of 18 ft (5.5 m) and a deck 50 ft wide.

Who owns Rim Road over Mora Canal?

It is owned by the Other Local Agency.