US Bridges

Ia 25 over Turkey Creek

Good

Adair County, Iowa · 4.6 Mi. S of Jct. I-80 · Structure no. 000000000012971

Built
2018
7 years old
Condition
Good
inspected May 2024
Type
Slab
Concrete Continuous
Length
151 ft
3 main spans
Daily traffic
2,080
2022 count
Owner
State
State Highway Agency

About this bridge

Ia 25 over Turkey Creek is a concrete continuous slab carrying Ia 25 over Turkey Creek in Adair County, Iowa. It was built in 2018, so it is 7 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 2,080 vehicles a day, roughly 21% of them trucks, projected to reach 2,080 by 2044. The structure is 151 ft (46 m) long and 43 ft wide. If it were closed, the detour would be 14.3 mi (23 km).

Location

Open in Google Maps
CarriesIa 25
CrossesTurkey Creek
Location4.6 Mi. S of Jct. I-80
RouteState Highway 25
CountyAdair County
StateIowa
Coordinates41.42974, -94.45247
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 inspectionMay 2024
Inspection intervalevery 24 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 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

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length151 ft (46 m)
Longest span59 ft (18 m)
Deck width43 ft (13.2 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,080 (2022)
Projected traffic2,080 by 2044
Trucks21%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.3 mi (23 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 25 over Turkey Creek built?

It was built in 2018, making it 7 years old in 2025.

What condition is Ia 25 over Turkey Creek 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 May 2024.

How much traffic does Ia 25 over Turkey Creek carry?

About 2,080 vehicles per day (2022 count), of which roughly 21% are trucks.

How long is Ia 25 over Turkey Creek?

The structure is 151 ft (46 m) long with a longest span of 59 ft (18 m) and a deck 43 ft wide.

Who owns Ia 25 over Turkey Creek?

It is owned by the State Highway Agency.