US Bridges

FM - Willow Ave over Turkey River

Fair

Howard County, Iowa · 098110204 · Structure no. 000000000028811

Built
1980
45 years old
Condition
Fair
inspected April 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
234 ft
3 main spans
Daily traffic
1,601
2022 count
Owner
County
County Highway Agency

About this bridge

FM - Willow Ave over Turkey River is a prestressed concrete stringer/multi-beam or girder carrying FM - Willow Ave over Turkey River in Howard County, Iowa. It was built in 1980, so it is 45 years old, younger 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 1,601 vehicles a day, roughly 10% of them trucks, projected to reach 1,601 by 2043. The structure is 234 ft (71.3 m) long and 43 ft wide. If it were closed, the detour would be 19.9 mi (32 km).

Location

Open in Google Maps
CarriesFM - Willow Ave
CrossesTurkey River
Location098110204
RouteCounty Highway 0
CountyHoward County
StateIowa
Coordinates43.33663, -92.11988
Functional classRural Major Collector

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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionApril 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating48.6 US tons
Inventory rating36 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length234 ft (71.3 m)
Longest span81 ft (24.7 m)
Deck width43 ft (13.1 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,601 (2022)
Projected traffic1,601 by 2043
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed19.9 mi (32 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 - Willow Ave over Turkey River built?

It was built in 1980, making it 45 years old in 2025.

What condition is FM - Willow Ave over Turkey River 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 April 2023.

How much traffic does FM - Willow Ave over Turkey River carry?

About 1,601 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is FM - Willow Ave over Turkey River?

The structure is 234 ft (71.3 m) long with a longest span of 81 ft (24.7 m) and a deck 43 ft wide.

Who owns FM - Willow Ave over Turkey River?

It is owned by the County Highway Agency.