US Bridges

Worthen Road over Danskin Canal

Fair

Bingham County, Idaho · 0.2 S. 0.4 E. Groveland · Structure no. 000000000022475

Built
1965
60 years old
Condition
Fair
inspected November 2023
Type
Tee Beam
Prestressed Concrete
Length
26 ft
1 main span
Daily traffic
300
2023 count
Owner
County
County Highway Agency

About this bridge

Worthen Road over Danskin Canal is a prestressed concrete tee beam carrying Worthen Road over Danskin Canal in Bingham County, Idaho. It was built in 1965, so it is 60 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 300 vehicles a day, roughly 10% of them trucks, projected to reach 450 by 2039. The structure is 26 ft (7.9 m) long and 28 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesWorthen Road
CrossesDanskin Canal
Location0.2 S. 0.4 E. Groveland
RouteCounty Highway 0
StateIdaho
Coordinates43.21603, -112.36589
Functional classUrban 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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionNovember 2023
Inspection intervalevery 24 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 rating38 US tons
Inventory rating23 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 15
Structure length26 ft (7.9 m)
Longest span25 ft (7.6 m)
Deck width28 ft (8.5 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic300 (2023)
Projected traffic450 by 2039
Trucks10%
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$366,000 (2019 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Worthen Road over Danskin Canal built?

It was built in 1965, making it 60 years old in 2025.

What condition is Worthen Road over Danskin 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 2023.

How much traffic does Worthen Road over Danskin Canal carry?

About 300 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is Worthen Road over Danskin Canal?

The structure is 26 ft (7.9 m) long with a longest span of 25 ft (7.6 m) and a deck 28 ft wide.

Who owns Worthen Road over Danskin Canal?

It is owned by the County Highway Agency.