US Bridges

G15 (130th St) over North Turkey Creek

Good

Adair County, Iowa · 2.6 MI West of HWY 25 · Structure no. 000000000058141

Built
2012
13 years old
Condition
Good
inspected May 2023
Type
Slab
Concrete Continuous
Length
73 ft
3 main spans
Daily traffic
60
2022 count
Owner
County
County Highway Agency

About this bridge

G15 (130th St) over North Turkey Creek is a concrete continuous slab carrying G15 (130th St) over North Turkey Creek in Adair County, Iowa. It was built in 2012, so it is 13 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 60 vehicles a day, projected to reach 60 by 2043. The structure is 73 ft (22.3 m) long and 27 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesG15 (130th St)
CrossesNorth Turkey Creek
Location2.6 MI West of HWY 25
RouteCounty Highway 0
CountyAdair County
StateIowa
Coordinates41.46059, -94.50214
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 inspectionMay 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 alignment7: Better than present minimum criteria
Operating rating57.1 US tons
Inventory rating44 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length73 ft (22.3 m)
Longest span28 ft (8.5 m)
Deck width27 ft (8.3 m)
Roadway width25 ft (7.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic60 (2022)
Projected traffic60 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 G15 (130th St) over North Turkey Creek built?

It was built in 2012, making it 13 years old in 2025.

What condition is G15 (130th St) over North 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 2023.

How much traffic does G15 (130th St) over North Turkey Creek carry?

About 60 vehicles per day (2022 count).

How long is G15 (130th St) over North Turkey Creek?

The structure is 73 ft (22.3 m) long with a longest span of 28 ft (8.5 m) and a deck 27 ft wide.

Who owns G15 (130th St) over North Turkey Creek?

It is owned by the County Highway Agency.