US Bridges

150th over Turkey Creek

Good

Warren County, Iowa · 074231602 · Structure no. 000000000332951

Built
2002
23 years old
Condition
Good
inspected September 2024
Type
Culvert
Concrete Continuous
Length
31 ft
2 main spans
Daily traffic
26
2022 count
Owner
County
County Highway Agency

About this bridge

150th over Turkey Creek is a concrete continuous culvert carrying 150th over Turkey Creek in Warren County, Iowa. It was built in 2002, so it is 23 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 26 vehicles a day, roughly 12% of them trucks, projected to reach 26 by 2044. The structure is 31 ft (9.4 m) long. If it were closed, the detour would be 3.7 mi (6 km).

Carries150th
CrossesTurkey Creek
Location074231602
RouteCounty Highway 0
StateIowa
Coordinates41.21326, -93.51956
Functional classRural Local

Condition and inspection

Good

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

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating48.6 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 20
Structure length31 ft (9.4 m)
Longest span15 ft (4.6 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic26 (2022)
Projected traffic26 by 2044
Trucks12%
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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was 150th over Turkey Creek built?

It was built in 2002, making it 23 years old in 2025.

What condition is 150th 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 September 2024.

How much traffic does 150th over Turkey Creek carry?

About 26 vehicles per day (2022 count), of which roughly 12% are trucks.

How long is 150th over Turkey Creek?

The structure is 31 ft (9.4 m) long with a longest span of 15 ft (4.6 m).

Who owns 150th over Turkey Creek?

It is owned by the County Highway Agency.