US Bridges

SB US 65 over East Oakwood Drive

Good

Polk County, Iowa · 0.4 Miles S of JCT Ia 163 · Structure no. 000000000606840

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
8,450
2023 count
Owner
State
State Highway Agency

About this bridge

SB US 65 over East Oakwood Drive is a prestressed concrete stringer/multi-beam or girder carrying SB 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 8,450 vehicles a day, roughly 17% of them trucks, projected to reach 8,450 by 2043. The structure is 171 ft (52.1 m) long and 52 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesSB US 65
CrossesEast Oakwood Drive
Location0.4 Miles S of JCT Ia 163
RouteU.S. Route 65
StateIowa
Coordinates41.5933, -93.49902
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.
Substructure8 Very GoodNo problems noted.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating72.1 US tons
Inventory rating42 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 width52 ft (15.9 m)
Roadway width49 ft (15 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,450 (2023)
Projected traffic8,450 by 2043
Trucks17%
Lanes on structure2
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 SB US 65 over East Oakwood Drive built?

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

What condition is SB 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 SB US 65 over East Oakwood Drive carry?

About 8,450 vehicles per day (2023 count), of which roughly 17% are trucks.

How long is SB 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 52 ft wide.

Who owns SB US 65 over East Oakwood Drive?

It is owned by the State Highway Agency.