US Bridges

Bowman Road over Farmers Coop Canal

Fair

Gem County, Idaho · 1.0 S. 6.1 W. Emmett · Structure no. 000000000028020

Built
1967
58 years old
Condition
Fair
inspected March 2023
Type
Tee Beam
Prestressed Concrete
Length
23 ft
1 main span
Daily traffic
340
2023 count
Owner
County
County Highway Agency

About this bridge

Bowman Road over Farmers Coop Canal is a prestressed concrete tee beam carrying Bowman Road over Farmers Coop Canal in Gem County, Idaho. It was built in 1967, so it is 58 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 340 vehicles a day, roughly 6% of them trucks, projected to reach 510 by 2042. The structure is 23 ft (7 m) long and 24 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesBowman Road
CrossesFarmers Coop Canal
Location1.0 S. 6.1 W. Emmett
RouteCounty Highway 0
CountyGem County
StateIdaho
Coordinates43.86189, -116.62242
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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating38 US tons
Inventory rating23 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length23 ft (7 m)
Longest span22 ft (6.7 m)
Deck width24 ft (7.4 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic340 (2023)
Projected traffic510 by 2042
Trucks6%
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

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$319,000 (2021 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Bowman Road over Farmers Coop Canal built?

It was built in 1967, making it 58 years old in 2025.

What condition is Bowman Road 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 2023.

How much traffic does Bowman Road over Farmers Coop Canal carry?

About 340 vehicles per day (2023 count), of which roughly 6% are trucks.

How long is Bowman Road 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 24 ft wide.

Who owns Bowman Road over Farmers Coop Canal?

It is owned by the County Highway Agency.