US Bridges

Main ST over Turkey River

Good

Winneshiek County, Iowa · 000000000 · Structure no. 000000000011011

Built
2009
16 years old
Condition
Good
inspected April 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
199 ft
3 main spans
Daily traffic
669
2022 count
Owner
County
County Highway Agency

About this bridge

Main ST over Turkey River is a prestressed concrete stringer/multi-beam or girder carrying Main ST over Turkey River in Winneshiek County, Iowa. It was built in 2009, so it is 16 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 669 vehicles a day, projected to reach 669 by 2043. The structure is 199 ft (60.7 m) long and 30 ft wide.

Location

Open in Google Maps
CarriesMain ST
CrossesTurkey River
Location000000000
RouteCity Street 0
CountyWinneshiek County
StateIowa
Coordinates43.20756, -91.95064
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
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
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 evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating92.5 US tons
Inventory rating55.3 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length199 ft (60.7 m)
Longest span67 ft (20.4 m)
Deck width30 ft (9.1 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic669 (2022)
Projected traffic669 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Main ST over Turkey River built?

It was built in 2009, making it 16 years old in 2025.

What condition is Main ST over Turkey River 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 2023.

How much traffic does Main ST over Turkey River carry?

About 669 vehicles per day (2022 count).

How long is Main ST over Turkey River?

The structure is 199 ft (60.7 m) long with a longest span of 67 ft (20.4 m) and a deck 30 ft wide.

Who owns Main ST over Turkey River?

It is owned by the County Highway Agency.