US Bridges

FM 160th Ave over Willow Creek

Poor

Clay County, Iowa · 095373002 · Structure no. 000000000116320

Built
1962
63 years old
Condition
Poor
inspected April 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
71 ft
1 main span
Daily traffic
190
2022 count
Owner
County
County Highway Agency

About this bridge

FM 160th Ave over Willow Creek is a steel stringer/multi-beam or girder carrying FM 160th Ave over Willow Creek in Clay County, Iowa. It was built in 1962, so it is 63 years old, older than the Iowa average of 45.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 190 vehicles a day, roughly 31% of them trucks, projected to reach 190 by 2043. The structure is 71 ft (21.6 m) long and 30 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesFM 160th Ave
CrossesWillow Creek
Location095373002
RouteCounty Highway 0
CountyClay County
StateIowa
Coordinates43.01209, -95.26999
Functional classRural Minor Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating43.2 US tons
Inventory rating35.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length71 ft (21.6 m)
Longest span69 ft (21 m)
Deck width30 ft (9.1 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic190 (2022)
Projected traffic190 by 2043
Trucks31%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was FM 160th Ave over Willow Creek built?

It was built in 1962, making it 63 years old in 2025.

What condition is FM 160th Ave over Willow Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in April 2024.

How much traffic does FM 160th Ave over Willow Creek carry?

About 190 vehicles per day (2022 count), of which roughly 31% are trucks.

How long is FM 160th Ave over Willow Creek?

The structure is 71 ft (21.6 m) long with a longest span of 69 ft (21 m) and a deck 30 ft wide.

Who owns FM 160th Ave over Willow Creek?

It is owned by the County Highway Agency.