US Bridges

Ia 24 over Little Turkey River

Good

Winneshiek County, Iowa · 2.1 Mi. W. of Co. RD.V-68 · Structure no. 000000000052641

Built
2013
12 years old
Condition
Good
inspected December 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
177 ft
3 main spans
Daily traffic
1,940
2022 count
Owner
State
State Highway Agency

About this bridge

Ia 24 over Little Turkey River is a prestressed concrete stringer/multi-beam or girder carrying Ia 24 over Little Turkey River in Winneshiek County, Iowa. It was built in 2013, so it is 12 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 1,940 vehicles a day, roughly 20% of them trucks, projected to reach 1,940 by 2043. The structure is 177 ft (54 m) long and 47 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesIa 24
CrossesLittle Turkey River
Location2.1 Mi. W. of Co. RD.V-68
RouteState Highway 24
StateIowa
Coordinates43.0981, -92.06724
Functional classRural Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations on dry land well above flood water elevations
Structural evaluation8: Equal to present desirable criteria
Deck geometry8: Equal to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.4 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length177 ft (54 m)
Longest span102 ft (31.1 m)
Deck width47 ft (14.4 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,940 (2022)
Projected traffic1,940 by 2043
Trucks20%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 Ia 24 over Little Turkey River built?

It was built in 2013, making it 12 years old in 2025.

What condition is Ia 24 over Little 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 December 2023.

How much traffic does Ia 24 over Little Turkey River carry?

About 1,940 vehicles per day (2022 count), of which roughly 20% are trucks.

How long is Ia 24 over Little Turkey River?

The structure is 177 ft (54 m) long with a longest span of 102 ft (31.1 m) and a deck 47 ft wide.

Who owns Ia 24 over Little Turkey River?

It is owned by the State Highway Agency.