US Bridges

Sma 8523;CHERRY LN over Phyllis Canal

Fair

Canyon County, Idaho · 2.8 N. 2.6 E. Nampa · Structure no. 000000000019735

Built
1976
49 years old
Condition
Fair
inspected March 2024
Type
Tee Beam
Prestressed Concrete
Length
34 ft
1 main span
Daily traffic
7,100
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Sma 8523;CHERRY LN over Phyllis Canal is a prestressed concrete tee beam carrying Sma 8523;CHERRY LN over Phyllis Canal in Canyon County, Idaho. It was built in 1976, so it is 49 years old, older 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 7,100 vehicles a day, roughly 8% of them trucks, projected to reach 10,650 by 2042. The structure is 34 ft (10.4 m) long and 48 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesSma 8523;CHERRY LN
CrossesPhyllis Canal
Location2.8 N. 2.6 E. Nampa
RouteCity Street 8523
StateIdaho
Coordinates43.61961, -116.51036
Functional classUrban Other Principal Arterial

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
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 typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length34 ft (10.4 m)
Longest span32 ft (9.8 m)
Deck width48 ft (14.6 m)
Roadway width46 ft (14.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,100 (2023)
Projected traffic10,650 by 2042
Trucks8%
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

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$666,000 (2018 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Sma 8523;CHERRY LN over Phyllis Canal built?

It was built in 1976, making it 49 years old in 2025.

What condition is Sma 8523;CHERRY LN over Phyllis 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 March 2024.

How much traffic does Sma 8523;CHERRY LN over Phyllis Canal carry?

About 7,100 vehicles per day (2023 count), of which roughly 8% are trucks.

How long is Sma 8523;CHERRY LN over Phyllis Canal?

The structure is 34 ft (10.4 m) long with a longest span of 32 ft (9.8 m) and a deck 48 ft wide.

Who owns Sma 8523;CHERRY LN over Phyllis Canal?

It is owned by the City or Municipal Highway Agency.