US Bridges

150th Ave over Stoney Creek

Good

Clay County, Iowa · 097381302 · Structure no. 000000000117701

Built
1994
31 years old
Condition
Good
inspected December 2022
Type
Slab
Concrete Continuous
Length
116 ft
3 main spans
Daily traffic
81
2022 count
Owner
County
County Highway Agency

About this bridge

150th Ave over Stoney Creek is a concrete continuous slab carrying 150th Ave over Stoney Creek in Clay County, Iowa. It was built in 1994, so it is 31 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 81 vehicles a day, projected to reach 81 by 2043. The structure is 116 ft (35.4 m) long and 33 ft wide.

Carries150th Ave
CrossesStoney Creek
Location097381302
RouteCounty Highway 0
StateIowa
Coordinates43.21581, -95.28902
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating68.3 US tons
Inventory rating42.5 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length116 ft (35.4 m)
Longest span44 ft (13.4 m)
Deck width33 ft (10.1 m)
Roadway width31 ft (9.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic81 (2022)
Projected traffic81 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 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 150th Ave over Stoney Creek built?

It was built in 1994, making it 31 years old in 2025.

What condition is 150th Ave over Stoney 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 December 2022.

How much traffic does 150th Ave over Stoney Creek carry?

About 81 vehicles per day (2022 count).

How long is 150th Ave over Stoney Creek?

The structure is 116 ft (35.4 m) long with a longest span of 44 ft (13.4 m) and a deck 33 ft wide.

Who owns 150th Ave over Stoney Creek?

It is owned by the County Highway Agency.