US Bridges

Pine CR Bench Road over Pine Creek

Fair

Bonneville County, Idaho · 3.9 N. 0.9 W. Swan Valley · Structure no. 000000000031050

Built
1934
91 years old
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Concrete
Length
34 ft
1 main span
Daily traffic
30
2023 count
Owner
County
County Highway Agency

About this bridge

Pine CR Bench Road over Pine Creek is a concrete stringer/multi-beam or girder carrying Pine CR Bench Road over Pine Creek in Bonneville County, Idaho. It was built in 1934, so it is 91 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 30 vehicles a day, roughly 50% of them trucks, projected to reach 45 by 2042. The structure is 34 ft (10.4 m) long and 45 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesPine CR Bench Road
CrossesPine Creek
Location3.9 N. 0.9 W. Swan Valley
RouteCounty Highway 0
StateIdaho
Coordinates43.50881, -111.35797
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry9: Superior to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating30 US tons
Inventory rating18 US tons

Structure

MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length34 ft (10.4 m)
Longest span32 ft (9.8 m)
Deck width45 ft (13.7 m)
Roadway width43 ft (13.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic30 (2023)
Projected traffic45 by 2042
Trucks50%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 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$416,000 (2018 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Pine CR Bench Road over Pine Creek built?

It was built in 1934, making it 91 years old in 2025.

What condition is Pine CR Bench Road over Pine 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 September 2024.

How much traffic does Pine CR Bench Road over Pine Creek carry?

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

How long is Pine CR Bench Road over Pine Creek?

The structure is 34 ft (10.4 m) long with a longest span of 32 ft (9.8 m) and a deck 45 ft wide.

Who owns Pine CR Bench Road over Pine Creek?

It is owned by the County Highway Agency.