US Bridges

US 65 NB over NE 46th Ave

Good

Polk County, Iowa · 1.2 Miles S of JCT I-80 · Structure no. 000000000601390

Built
1994
31 years old
Condition
Good
inspected May 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
322 ft
3 main spans
Daily traffic
10,300
2022 count
Owner
State
State Highway Agency

About this bridge

US 65 NB over NE 46th Ave is a steel continuous stringer/multi-beam or girder carrying US 65 NB over NE 46th Ave in Polk County, Iowa. It was built in 1994, so it is 31 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 10,300 vehicles a day, roughly 16% of them trucks, projected to reach 10,300 by 2042. The structure is 322 ft (98.1 m) long and 43 ft wide.

CarriesUS 65 NB
CrossesNE 46th Ave
Location1.2 Miles S of JCT I-80
RouteU.S. Route 65
StateIowa
Coordinates41.64376, -93.50992
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 inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating82.8 US tons
Inventory rating49.6 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length322 ft (98.1 m)
Longest span152 ft (46.3 m)
Deck width43 ft (13.1 m)
Roadway width40 ft (12.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,300 (2022)
Projected traffic10,300 by 2042
Trucks16%
Lanes on structure2
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 US 65 NB over NE 46th Ave built?

It was built in 1994, making it 31 years old in 2025.

What condition is US 65 NB over NE 46th 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 NE 46th Ave carry?

About 10,300 vehicles per day (2022 count), of which roughly 16% are trucks.

How long is US 65 NB over NE 46th Ave?

The structure is 322 ft (98.1 m) long with a longest span of 152 ft (46.3 m) and a deck 43 ft wide.

Who owns US 65 NB over NE 46th Ave?

It is owned by the State Highway Agency.