US Bridges

NB US 65 over East Oakwood Drive

Good

Polk County, Iowa · 0.4 Mile S of JCT Ia 163 · Structure no. 000000000606835

Built
1997
28 years old
Condition
Good
inspected June 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
171 ft
3 main spans
Daily traffic
8,300
2022 count
Owner
State
State Highway Agency

About this bridge

NB US 65 over East Oakwood Drive is a prestressed concrete stringer/multi-beam or girder carrying NB US 65 over East Oakwood Drive in Polk County, Iowa. It was built in 1997, so it is 28 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 8,300 vehicles a day, roughly 17% of them trucks, projected to reach 8,300 by 2042. The structure is 171 ft (52.1 m) long and 56 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesNB US 65
CrossesEast Oakwood Drive
Location0.4 Mile S of JCT Ia 163
RouteU.S. Route 65
StateIowa
Coordinates41.59281, -93.49881
Functional classUrban Other Principal Arterial

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.
Substructure7 GoodSome minor problems.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating69.2 US tons
Inventory rating41.4 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length171 ft (52.1 m)
Longest span87 ft (26.5 m)
Deck width56 ft (17.1 m)
Roadway width53 ft (16.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,300 (2022)
Projected traffic8,300 by 2042
Trucks17%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 NB US 65 over East Oakwood Drive built?

It was built in 1997, making it 28 years old in 2025.

What condition is NB US 65 over East Oakwood Drive 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 June 2023.

How much traffic does NB US 65 over East Oakwood Drive carry?

About 8,300 vehicles per day (2022 count), of which roughly 17% are trucks.

How long is NB US 65 over East Oakwood Drive?

The structure is 171 ft (52.1 m) long with a longest span of 87 ft (26.5 m) and a deck 56 ft wide.

Who owns NB US 65 over East Oakwood Drive?

It is owned by the State Highway Agency.