US Bridges

Dry Lake Road over Mora Canal

Fair

Canyon County, Idaho · 8.5 S. 2.1 W. Nampa · Structure no. 000000000027495

Built
1987
38 years old
Condition
Fair
inspected February 2023
Type
Frame
Concrete
Length
30 ft
1 main span
Daily traffic
70
2023 count
Owner
Local
Other Local Agency

About this bridge

Dry Lake Road over Mora Canal is a concrete frame carrying Dry Lake Road over Mora Canal in Canyon County, Idaho. It was built in 1987, so it is 38 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 70 vehicles a day, roughly 10% of them trucks, projected to reach 105 by 2039. The structure is 30 ft (9.1 m) long and 40 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesDry Lake Road
CrossesMora Canal
Location8.5 S. 2.1 W. Nampa
RouteCounty Highway 0
CountyCanyon County
StateIdaho
Coordinates43.45456, -116.60322
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 adequacy9: Superior 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 length30 ft (9.1 m)
Longest span30 ft (9.1 m)
Deck width40 ft (12.2 m)
Roadway width39 ft (11.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic70 (2023)
Projected traffic105 by 2039
Trucks10%
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 Dry Lake Road over Mora Canal built?

It was built in 1987, making it 38 years old in 2025.

What condition is Dry Lake 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 Dry Lake Road over Mora Canal carry?

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

How long is Dry Lake Road over Mora Canal?

The structure is 30 ft (9.1 m) long with a longest span of 30 ft (9.1 m) and a deck 40 ft wide.

Who owns Dry Lake Road over Mora Canal?

It is owned by the Other Local Agency.