US Bridges

Thomas Fork Lane over Thomas Fk.Cr;se.Geneva B

Fair

Bear Lake County, Idaho · 1.0 S. 0.3 E. Geneva · Structure no. 000000000022215

Built
1986
39 years old
Condition
Fair
inspected April 2023
Type
Frame
Concrete
Length
21 ft
1 main span
Daily traffic
30
2023 count
Owner
County
County Highway Agency

About this bridge

Thomas Fork Lane over Thomas Fk.Cr;se.Geneva B is a concrete frame carrying Thomas Fork Lane over Thomas Fk.Cr;se.Geneva B in Bear Lake County, Idaho. It was built in 1986, so it is 39 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 30 vehicles a day, roughly 50% of them trucks, projected to reach 45 by 2042. The structure is 21 ft (6.4 m) long and 28 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesThomas Fork Lane
CrossesThomas Fk.Cr;se.Geneva B
Location1.0 S. 0.3 E. Geneva
RouteCounty Highway 0
CountyBear Lake County
StateIdaho
Coordinates42.34397, -111.05836
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 protection7 GoodSome minor problems.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating38 US tons
Inventory rating23 US tons

Structure

Structure typeFrame
MaterialConcrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length21 ft (6.4 m)
Longest span21 ft (6.4 m)
Deck width28 ft (8.5 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic30 (2023)
Projected traffic45 by 2042
Trucks50%
Lanes on structure1
Traffic directionOne-lane bridge for two-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$258,000 (2023 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Thomas Fork Lane over Thomas Fk.Cr;se.Geneva B built?

It was built in 1986, making it 39 years old in 2025.

What condition is Thomas Fork Lane over Thomas Fk.Cr;se.Geneva B 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 2023.

How much traffic does Thomas Fork Lane over Thomas Fk.Cr;se.Geneva B carry?

About 30 vehicles per day (2023 count), of which roughly 50% are trucks.

How long is Thomas Fork Lane over Thomas Fk.Cr;se.Geneva B?

The structure is 21 ft (6.4 m) long with a longest span of 21 ft (6.4 m) and a deck 28 ft wide.

Who owns Thomas Fork Lane over Thomas Fk.Cr;se.Geneva B?

It is owned by the County Highway Agency.