US Bridges

FM over Turkey River

Fair

Winneshiek County, Iowa · 098100702 · Structure no. 000000000348041

Built
1985
40 years old
Condition
Fair
inspected April 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
201 ft
3 main spans
Daily traffic
98
2022 count
Owner
County
County Highway Agency

About this bridge

FM over Turkey River is a prestressed concrete stringer/multi-beam or girder carrying FM over Turkey River in Winneshiek County, Iowa. It was built in 1985, so it is 40 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 98 vehicles a day, projected to reach 98 by 2044. The structure is 201 ft (61.3 m) long and 24 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Location

Open in Google Maps
CarriesFM
CrossesTurkey River
Location098100702
RouteCounty Highway 0
CountyWinneshiek County
StateIowa
Coordinates43.32699, -92.08047
Functional classRural Minor 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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 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 alignment7: Better than present minimum criteria
Operating rating71.8 US tons
Inventory rating32.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length201 ft (61.3 m)
Longest span70 ft (21.3 m)
Deck width24 ft (7.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic98 (2022)
Projected traffic98 by 2044
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byUnknown
Historic statusNot eligible for the National Register of Historic Places
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was FM over Turkey River built?

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

What condition is FM 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 2024.

How much traffic does FM over Turkey River carry?

About 98 vehicles per day (2022 count).

How long is FM over Turkey River?

The structure is 201 ft (61.3 m) long with a longest span of 70 ft (21.3 m) and a deck 24 ft wide.

Who owns FM over Turkey River?

It is owned by the County Highway Agency and maintained by the Unknown.