US Bridges

SH 46 over Nrth Gooding Main Cnl

Fair

Gooding County, Idaho · 5.3 N. Gooding · Structure no. 000000000014365

Built
1983
42 years old
Condition
Fair
inspected April 2022
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
26 ft
1 main span
Daily traffic
790
2023 count
Owner
State
State Highway Agency

About this bridge

SH 46 over Nrth Gooding Main Cnl is a prestressed concrete box beam or girders - multiple carrying SH 46 over Nrth Gooding Main Cnl in Gooding County, Idaho. It was built in 1983, so it is 42 years old, younger 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 790 vehicles a day, roughly 3% of them trucks, projected to reach 1,185 by 2042. The structure is 26 ft (7.9 m) long and 36 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesSH 46
CrossesNrth Gooding Main Cnl
Location5.3 N. Gooding
RouteState Highway 46
StateIdaho
Coordinates43.02179, -114.7062
Functional classRural Major Collector

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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59 US tons
Inventory rating35.1 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 25 or greater
Structure length26 ft (7.9 m)
Longest span24 ft (7.3 m)
Deck width36 ft (11 m)
Roadway width33 ft (10.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic790 (2023)
Projected traffic1,185 by 2042
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was SH 46 over Nrth Gooding Main Cnl built?

It was built in 1983, making it 42 years old in 2025.

What condition is SH 46 over Nrth Gooding 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 April 2022.

How much traffic does SH 46 over Nrth Gooding Main Cnl carry?

About 790 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is SH 46 over Nrth Gooding Main Cnl?

The structure is 26 ft (7.9 m) long with a longest span of 24 ft (7.3 m) and a deck 36 ft wide.

Who owns SH 46 over Nrth Gooding Main Cnl?

It is owned by the State Highway Agency.