US Bridges

STC7409;W 4th ST over Farmers Coop Canal

Fair

Gem County, Idaho · In EMMETT;W.4th ST · Structure no. 000000000028170

Built
1960
65 years old
Condition
Fair
inspected March 2024
Type
Stringer/Multi-beam or Girder
Concrete
Length
23 ft
1 main span
Daily traffic
1,800
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

STC7409;W 4th ST over Farmers Coop Canal is a concrete stringer/multi-beam or girder carrying STC7409;W 4th ST over Farmers Coop Canal in Gem 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 1,800 vehicles a day, roughly 1% of them trucks, projected to reach 2,700 by 2042. The structure is 23 ft (7 m) long and 37 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesSTC7409;W 4th ST
CrossesFarmers Coop Canal
LocationIn EMMETT;W.4th ST
RouteCounty Highway 7409
CountyGem County
StateIdaho
Coordinates43.87194, -116.50306
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 protection8 Very GoodNo problems noted.
Last inspectionMarch 2024
Inspection intervalevery 48 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 adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating54.6 US tons
Inventory rating38.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length23 ft (7 m)
Longest span22 ft (6.7 m)
Deck width37 ft (11.4 m)
Roadway width31 ft (9.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,800 (2023)
Projected traffic2,700 by 2042
Trucks1%
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was STC7409;W 4th ST over Farmers Coop Canal built?

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

What condition is STC7409;W 4th ST over Farmers Coop 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 2024.

How much traffic does STC7409;W 4th ST over Farmers Coop Canal carry?

About 1,800 vehicles per day (2023 count), of which roughly 1% are trucks.

How long is STC7409;W 4th ST over Farmers Coop Canal?

The structure is 23 ft (7 m) long with a longest span of 22 ft (6.7 m) and a deck 37 ft wide.

Who owns STC7409;W 4th ST over Farmers Coop Canal?

It is owned by the City or Municipal Highway Agency.