US Bridges

Mccoy Creek RD over Iowa Creek

Good

Bonneville County, Idaho · No Data Entered · Structure no. 040502000001000

Built
1985
40 years old, rebuilt 1994
Condition
Good
inspected August 2021
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
40 ft
1 main span
Daily traffic
36
2018 count
Owner
Federal
U.S. Forest Service

About this bridge

Mccoy Creek RD over Iowa Creek is a wood or timber stringer/multi-beam or girder carrying Mccoy Creek RD over Iowa Creek in Bonneville County, Idaho. It was built in 1985 and reconstructed in 1994, so it is 40 years old, younger 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 36 vehicles a day, projected to reach 54 by 2045. The structure is 40 ft (12.2 m) long and 16 ft wide.

Location

Open in Google Maps
CarriesMccoy Creek RD
CrossesIowa Creek
LocationNo Data Entered
RouteFederal Lands Road 20087
CountyBonneville County
StateIdaho
Coordinates43.14784, -111.24672
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44.6 US tons
Inventory rating34.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialWood or Timber
DeckWood or timber
Main spans1
Design loadH 20
Structure length40 ft (12.2 m)
Longest span38 ft (11.6 m)
Deck width16 ft (4.9 m)
Roadway width14 ft (4.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic36 (2018)
Projected traffic54 by 2045
Trucks—
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerU.S. Forest Service
Maintained byU.S. Forest Service
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Mccoy Creek RD over Iowa Creek built?

It was built in 1985, making it 40 years old in 2025. It was reconstructed in 1994.

What condition is Mccoy Creek RD over Iowa 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 August 2021.

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

About 36 vehicles per day (2018 count).

How long is Mccoy Creek RD over Iowa Creek?

The structure is 40 ft (12.2 m) long with a longest span of 38 ft (11.6 m) and a deck 16 ft wide.

Who owns Mccoy Creek RD over Iowa Creek?

It is owned by the U.S. Forest Service.