US Bridges

N. Pierce Ave over Willow Creek

Fair

Cerro Gordo County, Iowa · 000000000 · Structure no. 000000000008080

Built
1957
68 years old
Condition
Fair
inspected January 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
168 ft
3 main spans
Daily traffic
3,696
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

N. Pierce Ave over Willow Creek is a prestressed concrete continuous stringer/multi-beam or girder carrying N. Pierce Ave over Willow Creek in Cerro Gordo County, Iowa. It was built in 1957, so it is 68 years old, older than the Iowa average of 45.5 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 3,696 vehicles a day, projected to reach 3,696 by 2044. The structure is 168 ft (51.2 m) long and 52 ft wide.

Location

Open in Google Maps
CarriesN. Pierce Ave
CrossesWillow Creek
Location000000000
RouteCity Street 0
CountyCerro Gordo County
StateIowa
Coordinates43.1556, -93.22093
Functional classUrban Minor Arterial

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.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75.1 US tons
Inventory rating36.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length168 ft (51.2 m)
Longest span55 ft (16.8 m)
Deck width52 ft (16 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,696 (2022)
Projected traffic3,696 by 2044
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was N. Pierce Ave over Willow Creek built?

It was built in 1957, making it 68 years old in 2025.

What condition is N. Pierce Ave over Willow 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 January 2024.

How much traffic does N. Pierce Ave over Willow Creek carry?

About 3,696 vehicles per day (2022 count).

How long is N. Pierce Ave over Willow Creek?

The structure is 168 ft (51.2 m) long with a longest span of 55 ft (16.8 m) and a deck 52 ft wide.

Who owns N. Pierce Ave over Willow Creek?

It is owned by the City or Municipal Highway Agency.