US Bridges

Mccoy Creek RD over Mccoy Creek

Good

Bonneville County, Idaho · 12.0 S 5.4 E Palisades · Structure no. 000000000036020

Built
1978
47 years old
Condition
Good
inspected September 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
138 ft
3 main spans
Daily traffic
50
2023 count
Owner
County
County Highway Agency

About this bridge

Mccoy Creek RD over Mccoy Creek is a prestressed concrete stringer/multi-beam or girder carrying Mccoy Creek RD over Mccoy Creek in Bonneville County, Idaho. It was built in 1978, so it is 47 years old, older than the Idaho average of 45.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 50 vehicles a day, roughly 10% of them trucks, projected to reach 75 by 2039. The structure is 138 ft (42.1 m) long and 20 ft wide. If it were closed, the detour would be 26.1 mi (42 km).

CarriesMccoy Creek RD
CrossesMccoy Creek
Location12.0 S 5.4 E Palisades
RouteCounty Highway 0
StateIdaho
Coordinates43.18225, -111.10803
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating53 US tons
Inventory rating17 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length138 ft (42.1 m)
Longest span55 ft (16.7 m)
Deck width20 ft (6.1 m)
Roadway width18 ft (5.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2023)
Projected traffic75 by 2039
Trucks10%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed26.1 mi (42 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 proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$252,000 (2020 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Mccoy Creek RD over Mccoy Creek built?

It was built in 1978, making it 47 years old in 2025.

What condition is Mccoy Creek RD over Mccoy Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in September 2024.

How much traffic does Mccoy Creek RD over Mccoy Creek carry?

About 50 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is Mccoy Creek RD over Mccoy Creek?

The structure is 138 ft (42.1 m) long with a longest span of 55 ft (16.7 m) and a deck 20 ft wide.

Who owns Mccoy Creek RD over Mccoy Creek?

It is owned by the County Highway Agency.