US Bridges

Whippoorwill RD over Potato Creek

Good

Pottawattamie County, Iowa · 077431201 · Structure no. 000000000290721

Built
2017
8 years old
Condition
Good
inspected April 2022
Type
Stringer/Multi-beam or Girder
Steel
Length
102 ft
1 main span
Daily traffic
89
2022 count
Owner
County
County Highway Agency

About this bridge

Whippoorwill RD over Potato Creek is a steel stringer/multi-beam or girder carrying Whippoorwill RD over Potato Creek in Pottawattamie County, Iowa. It was built in 2017, so it is 8 years old, younger than the Iowa average of 45.5 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 89 vehicles a day, projected to reach 89 by 2043. The structure is 102 ft (31.1 m) long and 224 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesWhippoorwill RD
CrossesPotato Creek
Location077431201
RouteCounty Highway 0
CountyPottawattamie County
StateIowa
Coordinates41.49179, -95.73143
Functional classRural Major Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating59.3 US tons
Inventory rating45.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length102 ft (31.1 m)
Longest span99 ft (30.2 m)
Deck width224 ft (68.3 m)
Roadway width23 ft (7.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic89 (2022)
Projected traffic89 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Whippoorwill RD over Potato Creek built?

It was built in 2017, making it 8 years old in 2025.

What condition is Whippoorwill RD over Potato 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 April 2022.

How much traffic does Whippoorwill RD over Potato Creek carry?

About 89 vehicles per day (2022 count).

How long is Whippoorwill RD over Potato Creek?

The structure is 102 ft (31.1 m) long with a longest span of 99 ft (30.2 m) and a deck 224 ft wide.

Who owns Whippoorwill RD over Potato Creek?

It is owned by the County Highway Agency.