US Bridges

US 65 NB over SE 6th Ave

Good

Polk County, Iowa · 1.3 Mi. S of Jct. Ia 163 · Structure no. 000000000606825

Built
1997
28 years old
Condition
Good
inspected May 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
254 ft
3 main spans
Daily traffic
11,850
2022 count
Owner
State
State Highway Agency

About this bridge

US 65 NB over SE 6th Ave is a steel continuous stringer/multi-beam or girder carrying US 65 NB over SE 6th 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 11,850 vehicles a day, roughly 15% of them trucks, projected to reach 11,850 by 2042. The structure is 254 ft (77.4 m) long and 43 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesUS 65 NB
CrossesSE 6th Ave
Location1.3 Mi. S of Jct. Ia 163
RouteU.S. Route 65
CountyPolk County
StateIowa
Coordinates41.58191, -93.50826
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 inspectionMay 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 rating66.2 US tons
Inventory rating39.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length254 ft (77.4 m)
Longest span122 ft (37.2 m)
Deck width43 ft (13.2 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,850 (2022)
Projected traffic11,850 by 2042
Trucks15%
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 US 65 NB over SE 6th Ave built?

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

What condition is US 65 NB over SE 6th 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 May 2023.

How much traffic does US 65 NB over SE 6th Ave carry?

About 11,850 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is US 65 NB over SE 6th Ave?

The structure is 254 ft (77.4 m) long with a longest span of 122 ft (37.2 m) and a deck 43 ft wide.

Who owns US 65 NB over SE 6th Ave?

It is owned by the State Highway Agency.