US Bridges

NE White Oak DR over White Oak Creek

Good

Polk County, Iowa · 081231606 · Structure no. 000000000282771

Built
2011
14 years old
Condition
Good
inspected September 2024
Type
Culvert
Concrete Continuous
Length
27 ft
2 main spans
Daily traffic
499
2022 count
Owner
County
County Highway Agency

About this bridge

NE White Oak DR over White Oak Creek is a concrete continuous culvert carrying NE White Oak DR over White Oak Creek in Polk County, Iowa. It was built in 2011, so it is 14 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 499 vehicles a day, roughly 10% of them trucks, projected to reach 499 by 2044. The structure is 27 ft (8.1 m) long. If it were closed, the detour would be 1.9 mi (3 km).

CarriesNE White Oak DR
CrossesWhite Oak Creek
Location081231606
RouteCounty Highway 0
StateIowa
Coordinates41.83331, -93.53515
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 protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating47.1 US tons
Inventory rating28.2 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 20
Structure length27 ft (8.1 m)
Longest span13 ft (3.9 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic499 (2022)
Projected traffic499 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was NE White Oak DR over White Oak Creek built?

It was built in 2011, making it 14 years old in 2025.

What condition is NE White Oak DR over White Oak 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 NE White Oak DR over White Oak Creek carry?

About 499 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is NE White Oak DR over White Oak Creek?

The structure is 27 ft (8.1 m) long with a longest span of 13 ft (3.9 m).

Who owns NE White Oak DR over White Oak Creek?

It is owned by the County Highway Agency.