US Bridges

F Street over Main Northside Canal

Fair

Minidoka County, Idaho · At Acequia SCL;325N-365E · Structure no. 000000000019650

Built
1960
65 years old
Condition
Fair
inspected March 2023
Type
Tee Beam
Prestressed Concrete
Length
92 ft
2 main spans
Daily traffic
250
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

F Street over Main Northside Canal is a prestressed concrete tee beam carrying F Street over Main Northside Canal in Minidoka County, Idaho. It was built in 1960, so it is 65 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 250 vehicles a day, projected to reach 375 by 2039. The structure is 92 ft (28 m) long and 26 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesF Street
CrossesMain Northside Canal
LocationAt Acequia SCL;325N-365E
RouteCity Street 0
StateIdaho
Coordinates42.66536, -113.59675
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 protection8 Very GoodNo problems noted.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating38 US tons
Inventory rating23 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans2
Design loadHS 20
Structure length92 ft (28 m)
Longest span46 ft (14 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic250 (2023)
Projected traffic375 by 2039
Trucks0%
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$993,000 (2017 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was F Street over Main Northside Canal built?

It was built in 1960, making it 65 years old in 2025.

What condition is F Street over Main Northside 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 F Street over Main Northside Canal carry?

About 250 vehicles per day (2023 count).

How long is F Street over Main Northside Canal?

The structure is 92 ft (28 m) long with a longest span of 46 ft (14 m) and a deck 26 ft wide.

Who owns F Street over Main Northside Canal?

It is owned by the City or Municipal Highway Agency.