US Bridges

Conant Creek Way over Squirrel Creek

Fair

Fremont County, Idaho · 0.7 N. 0.2 E. Drummond · Structure no. 000000000031861

Built
1994
31 years old
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
36 ft
1 main span
Daily traffic
10
2023 count
Owner
County
County Highway Agency

About this bridge

Conant Creek Way over Squirrel Creek is a wood or timber stringer/multi-beam or girder carrying Conant Creek Way over Squirrel Creek in Fremont County, Idaho. It was built in 1994, so it is 31 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 10 vehicles a day, roughly 5% of them trucks, projected to reach 15 by 2039. The structure is 36 ft (11 m) long and 16 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesConant Creek Way
CrossesSquirrel Creek
Location0.7 N. 0.2 E. Drummond
RouteCounty Highway 0
CountyFremont County
StateIdaho
Coordinates44.00744, -111.3405
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
Deck7 GoodSome minor problems.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating46 US tons
Inventory rating33 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialWood or Timber
DeckWood or timber
Main spans1
Design loadHS 20
Structure length36 ft (11 m)
Longest span35 ft (10.7 m)
Deck width16 ft (4.9 m)
Roadway width15 ft (4.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10 (2023)
Projected traffic15 by 2039
Trucks5%
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$402,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Conant Creek Way over Squirrel Creek built?

It was built in 1994, making it 31 years old in 2025.

What condition is Conant Creek Way over Squirrel Creek 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 October 2024.

How much traffic does Conant Creek Way over Squirrel Creek carry?

About 10 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is Conant Creek Way over Squirrel Creek?

The structure is 36 ft (11 m) long with a longest span of 35 ft (10.7 m) and a deck 16 ft wide.

Who owns Conant Creek Way over Squirrel Creek?

It is owned by the County Highway Agency.