US Bridges

NE 150th Ave over Skunk River

Good

Polk County, Iowa · 081231401 · Structure no. 000000000282741

Built
2012
13 years old
Condition
Good
inspected April 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
409 ft
5 main spans
Daily traffic
142
2021 count
Owner
County
County Highway Agency

About this bridge

NE 150th Ave over Skunk River is a prestressed concrete continuous stringer/multi-beam or girder carrying NE 150th Ave over Skunk River in Polk 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 142 vehicles a day, projected to reach 142 by 2044. The structure is 409 ft (124.7 m) long and 33 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesNE 150th Ave
CrossesSkunk River
Location081231401
RouteCounty Highway 0
StateIowa
Coordinates41.83485, -93.49832
Functional classRural Minor 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.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating67.5 US tons
Inventory rating48.9 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadHL 93
Structure length409 ft (124.7 m)
Longest span81 ft (24.8 m)
Deck width33 ft (10.1 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic142 (2021)
Projected traffic142 by 2044
Trucks0%
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

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 NE 150th Ave over Skunk River built?

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

What condition is NE 150th Ave over Skunk 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 April 2024.

How much traffic does NE 150th Ave over Skunk River carry?

About 142 vehicles per day (2021 count).

How long is NE 150th Ave over Skunk River?

The structure is 409 ft (124.7 m) long with a longest span of 81 ft (24.8 m) and a deck 33 ft wide.

Who owns NE 150th Ave over Skunk River?

It is owned by the County Highway Agency.