US Bridges

I 84 over Farmers Sebree Canal

Fair

Canyon County, Idaho · In Caldwell · Structure no. 000000000015480

Built
1980
45 years old
Condition
Fair
inspected November 2024
Type
Culvert
Concrete
Length
47 ft
2 main spans
Daily traffic
53,500
2023 count
Owner
State
State Highway Agency

About this bridge

I 84 over Farmers Sebree Canal is a concrete culvert carrying I 84 over Farmers Sebree Canal in Canyon County, Idaho. It was built in 1980, so it is 45 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 53,500 vehicles a day, roughly 20% of them trucks, projected to reach 80,250 by 2042. The structure is 47 ft (14.3 m) long and 131 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesI 84
CrossesFarmers Sebree Canal
LocationIn Caldwell
RouteInterstate 84
StateIdaho
Coordinates43.68584, -116.69027
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating55 US tons
Inventory rating33 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length47 ft (14.3 m)
Longest span47 ft (14.3 m)
Deck width131 ft (39.9 m)
Roadway width106 ft (32.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic53,500 (2023)
Projected traffic80,250 by 2042
Trucks20%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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 I 84 over Farmers Sebree Canal built?

It was built in 1980, making it 45 years old in 2025.

What condition is I 84 over Farmers Sebree 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 November 2024.

How much traffic does I 84 over Farmers Sebree Canal carry?

About 53,500 vehicles per day (2023 count), of which roughly 20% are trucks.

How long is I 84 over Farmers Sebree Canal?

The structure is 47 ft (14.3 m) long with a longest span of 47 ft (14.3 m) and a deck 131 ft wide.

Who owns I 84 over Farmers Sebree Canal?

It is owned by the State Highway Agency.