US Bridges

7th Avenue West over T.F.Northside Main Cnl

Fair

Gooding County, Idaho · 0.6 S. Gooding · Structure no. 000000000024455

Built
1930
95 years old, rebuilt 1975
Condition
Fair
inspected March 2023
Type
Slab
Concrete Continuous
Length
44 ft
2 main spans
Daily traffic
1,300
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

7th Avenue West over T.F.Northside Main Cnl is a concrete continuous slab carrying 7th Avenue West over T.F.Northside Main Cnl in Gooding County, Idaho. It was built in 1930 and reconstructed in 1975, so it is 95 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 1,300 vehicles a day, projected to reach 1,950 by 2042. The structure is 44 ft (13.4 m) long and 37 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Carries7th Avenue West
CrossesT.F.Northside Main Cnl
Location0.6 S. Gooding
RouteCounty Highway 0
StateIdaho
Coordinates42.93853, -114.72303
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
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 adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating47.6 US tons
Inventory rating30.8 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadH 20
Structure length44 ft (13.4 m)
Longest span21 ft (6.4 m)
Deck width37 ft (11.4 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,300 (2023)
Projected traffic1,950 by 2042
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
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$824,000 (2017 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was 7th Avenue West over T.F.Northside Main Cnl built?

It was built in 1930, making it 95 years old in 2025. It was reconstructed in 1975.

What condition is 7th Avenue West over T.F.Northside Main Cnl 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 7th Avenue West over T.F.Northside Main Cnl carry?

About 1,300 vehicles per day (2023 count).

How long is 7th Avenue West over T.F.Northside Main Cnl?

The structure is 44 ft (13.4 m) long with a longest span of 21 ft (6.4 m) and a deck 37 ft wide.

Who owns 7th Avenue West over T.F.Northside Main Cnl?

It is owned by the City or Municipal Highway Agency.