US Bridges

Sma 7923;LINDEN RD over Notus Canal

Fair

Canyon County, Idaho · In Caldwell;e.Linden RD · Structure no. 000000000021800

Built
1968
57 years old
Condition
Fair
inspected February 2023
Type
Tee Beam
Prestressed Concrete
Length
23 ft
1 main span
Daily traffic
12,000
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Sma 7923;LINDEN RD over Notus Canal is a prestressed concrete tee beam carrying Sma 7923;LINDEN RD over Notus Canal in Canyon County, Idaho. It was built in 1968, so it is 57 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 12,000 vehicles a day, roughly 1% of them trucks, projected to reach 18,000 by 2042. The structure is 23 ft (7 m) long and 32 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesSma 7923;LINDEN RD
CrossesNotus Canal
LocationIn Caldwell;e.Linden RD
RouteCity Street 7923
CountyCanyon County
StateIdaho
Coordinates43.64831, -116.64828
Functional classUrban Minor 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating30 US tons
Inventory rating18 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length23 ft (7 m)
Longest span21 ft (6.4 m)
Deck width32 ft (9.7 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,000 (2023)
Projected traffic18,000 by 2042
Trucks1%
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$368,000 (2021 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Sma 7923;LINDEN RD over Notus Canal built?

It was built in 1968, making it 57 years old in 2025.

What condition is Sma 7923;LINDEN RD over Notus 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 Sma 7923;LINDEN RD over Notus Canal carry?

About 12,000 vehicles per day (2023 count), of which roughly 1% are trucks.

How long is Sma 7923;LINDEN RD over Notus Canal?

The structure is 23 ft (7 m) long with a longest span of 21 ft (6.4 m) and a deck 32 ft wide.

Who owns Sma 7923;LINDEN RD over Notus Canal?

It is owned by the City or Municipal Highway Agency.