US Bridges

Holly St. over Noble Canal

Fair

Payette County, Idaho · In New Plymouth;holly ST · Structure no. 000000000028350

Built
1972
53 years old
Condition
Fair
inspected March 2023
Type
Tee Beam
Prestressed Concrete
Length
24 ft
1 main span
Daily traffic
200
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Holly St. over Noble Canal is a prestressed concrete tee beam carrying Holly St. over Noble Canal in Payette County, Idaho. It was built in 1972, so it is 53 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 5 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 24 ft (7.3 m) long and 24 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesHolly St.
CrossesNoble Canal
LocationIn New Plymouth;holly ST
RouteCity Street 0
StateIdaho
Coordinates43.97428, -116.81756
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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 2023
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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating38 US tons
Inventory rating23 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length24 ft (7.3 m)
Longest span22 ft (6.7 m)
Deck width24 ft (7.3 m)
Roadway width24 ft (7.3 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

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$479,000 (2021 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Holly St. over Noble Canal built?

It was built in 1972, making it 53 years old in 2025.

What condition is Holly St. over Noble 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 2023.

How much traffic does Holly St. over Noble Canal carry?

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

How long is Holly St. over Noble Canal?

The structure is 24 ft (7.3 m) long with a longest span of 22 ft (6.7 m) and a deck 24 ft wide.

Who owns Holly St. over Noble Canal?

It is owned by the City or Municipal Highway Agency.