US Bridges

Stc 3869;CONWAY RD over Farmers Coop Sebree Cnl

Fair

Canyon County, Idaho · 1.0 N. 0.3 E. Notus · Structure no. 000000000027515

Built
1976
49 years old
Condition
Fair
inspected February 2024
Type
Tee Beam
Prestressed Concrete
Length
35 ft
1 main span
Daily traffic
960
2023 count
Owner
Local
Other Local Agency

About this bridge

Stc 3869;CONWAY RD over Farmers Coop Sebree Cnl is a prestressed concrete tee beam carrying Stc 3869;CONWAY RD over Farmers Coop Sebree Cnl in Canyon County, Idaho. It was built in 1976, so it is 49 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 960 vehicles a day, roughly 3% of them trucks, projected to reach 1,440 by 2042. The structure is 35 ft (10.7 m) long and 32 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesStc 3869;CONWAY RD
CrossesFarmers Coop Sebree Cnl
Location1.0 N. 0.3 E. Notus
RouteCounty Highway 3869
CountyCanyon County
StateIdaho
Coordinates43.73811, -116.79275
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionFebruary 2024
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 geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable 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 length35 ft (10.7 m)
Longest span34 ft (10.4 m)
Deck width32 ft (9.8 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic960 (2023)
Projected traffic1,440 by 2042
Trucks3%
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

OwnerOther Local Agency
Maintained byOther Local 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 Stc 3869;CONWAY RD over Farmers Coop Sebree Cnl built?

It was built in 1976, making it 49 years old in 2025.

What condition is Stc 3869;CONWAY RD over Farmers Coop Sebree 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 February 2024.

How much traffic does Stc 3869;CONWAY RD over Farmers Coop Sebree Cnl carry?

About 960 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is Stc 3869;CONWAY RD over Farmers Coop Sebree Cnl?

The structure is 35 ft (10.7 m) long with a longest span of 34 ft (10.4 m) and a deck 32 ft wide.

Who owns Stc 3869;CONWAY RD over Farmers Coop Sebree Cnl?

It is owned by the Other Local Agency.