US Bridges

SB US 65 over SE 64th Ave

Fair

Polk County, Iowa · 1.0 Mi. N of Jct. Ia 5 · Structure no. 000000000606780

Built
1997
28 years old
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
297 ft
3 main spans
Daily traffic
10,750
2023 count
Owner
State
State Highway Agency

About this bridge

SB US 65 over SE 64th Ave is a steel continuous stringer/multi-beam or girder carrying SB 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 fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 10,750 vehicles a day, roughly 13% of them trucks, projected to reach 10,750 by 2043. The structure is 297 ft (90.5 m) long and 43 ft wide.

Location

Open in Google Maps
CarriesSB US 65
CrossesSE 64th Ave
Location1.0 Mi. N of Jct. Ia 5
RouteU.S. Route 65
CountyPolk County
StateIowa
Coordinates41.52529, -93.51962
Functional classUrban Other Principal Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating41.2 US tons
Inventory rating24.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length297 ft (90.5 m)
Longest span142 ft (43.3 m)
Deck width43 ft (13.2 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,750 (2023)
Projected traffic10,750 by 2043
Trucks13%
Lanes on structure2
Traffic directionOne-way traffic
CarriesOverpass structure at an interchange
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 SB US 65 over SE 64th Ave built?

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

What condition is SB US 65 over SE 64th Ave in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in October 2023.

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

About 10,750 vehicles per day (2023 count), of which roughly 13% are trucks.

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

The structure is 297 ft (90.5 m) long with a longest span of 142 ft (43.3 m) and a deck 43 ft wide.

Who owns SB US 65 over SE 64th Ave?

It is owned by the State Highway Agency.