US Bridges

W 7600 S over Reid Canal

Fair

Madison County, Idaho · 0.1 N. 1.5 W. Archer · Structure no. 000000000032926

Built
1997
28 years old
Condition
Fair
inspected April 2024
Type
Frame
Concrete
Length
24 ft
1 main span
Daily traffic
80
2023 count
Owner
County
County Highway Agency

About this bridge

W 7600 S over Reid Canal is a concrete frame carrying W 7600 S over Reid Canal in Madison County, Idaho. It was built in 1997, so it is 28 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 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 80 vehicles a day, roughly 5% of them trucks, projected to reach 120 by 2039. The structure is 24 ft (7.3 m) long and 25 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesW 7600 S
CrossesReid Canal
Location0.1 N. 1.5 W. Archer
RouteCounty Highway 0
StateIdaho
Coordinates43.71847, -111.81703
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating30 US tons
Inventory rating18 US tons

Structure

Structure typeFrame
MaterialConcrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length24 ft (7.3 m)
Longest span24 ft (7.3 m)
Deck width25 ft (7.7 m)
Roadway width24 ft (7.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic80 (2023)
Projected traffic120 by 2039
Trucks5%
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

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$291,000 (2017 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was W 7600 S over Reid Canal built?

It was built in 1997, making it 28 years old in 2025.

What condition is W 7600 S over Reid 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 April 2024.

How much traffic does W 7600 S over Reid Canal carry?

About 80 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is W 7600 S over Reid Canal?

The structure is 24 ft (7.3 m) long with a longest span of 24 ft (7.3 m) and a deck 25 ft wide.

Who owns W 7600 S over Reid Canal?

It is owned by the County Highway Agency.