US Bridges

NB US 65 over SE 64th Ave

Good

Polk County, Iowa · 1.0 Mile N of N JCT Ia 5 · Structure no. 000000000606775

Built
1997
28 years old
Condition
Good
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
299 ft
3 main spans
Daily traffic
10,550
2022 count
Owner
State
State Highway Agency

About this bridge

NB US 65 over SE 64th Ave is a steel continuous stringer/multi-beam or girder carrying NB US 65 over SE 64th Ave 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 10,550 vehicles a day, roughly 13% of them trucks, projected to reach 10,550 by 2043. The structure is 299 ft (91.1 m) long and 51 ft wide.

Location

Open in Google Maps
CarriesNB US 65
CrossesSE 64th Ave
Location1.0 Mile N of N JCT Ia 5
RouteU.S. Route 65
CountyPolk County
StateIowa
Coordinates41.52446, -93.51934
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating45 US tons
Inventory rating27 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length299 ft (91.1 m)
Longest span142 ft (43.3 m)
Deck width51 ft (15.6 m)
Roadway width48 ft (14.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,550 (2022)
Projected traffic10,550 by 2043
Trucks13%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
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 SE 64th Ave built?

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

What condition is NB US 65 over SE 64th Ave 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 October 2023.

How much traffic does NB US 65 over SE 64th Ave carry?

About 10,550 vehicles per day (2022 count), of which roughly 13% are trucks.

How long is NB US 65 over SE 64th Ave?

The structure is 299 ft (91.1 m) long with a longest span of 142 ft (43.3 m) and a deck 51 ft wide.

Who owns NB US 65 over SE 64th Ave?

It is owned by the State Highway Agency.