US Bridges

US 65 NB over Des Moines Rvr Overflow

Good

Polk County, Iowa · 1.4 MI N of SE 64th Ave · Structure no. 000000000700220

Built
2013
12 years old
Condition
Good
inspected February 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
704 ft
6 main spans
Daily traffic
12,450
2022 count
Owner
State
State Highway Agency

About this bridge

US 65 NB over Des Moines Rvr Overflow is a prestressed concrete stringer/multi-beam or girder carrying US 65 NB over Des Moines Rvr Overflow in Polk County, Iowa. It was built in 2013, so it is 12 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 12,450 vehicles a day, roughly 12% of them trucks, projected to reach 12,450 by 2044. The structure is 704 ft (214.5 m) long and 43 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesUS 65 NB
CrossesDes Moines Rvr Overflow
Location1.4 MI N of SE 64th Ave
RouteU.S. Route 65
StateIowa
Coordinates41.54475, -93.51458
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.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.4 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans6
Design loadHL 93
Structure length704 ft (214.5 m)
Longest span114 ft (34.7 m)
Deck width43 ft (13.2 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,450 (2022)
Projected traffic12,450 by 2044
Trucks12%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesRelief for waterway
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was US 65 NB over Des Moines Rvr Overflow built?

It was built in 2013, making it 12 years old in 2025.

What condition is US 65 NB over Des Moines Rvr Overflow 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 February 2024.

How much traffic does US 65 NB over Des Moines Rvr Overflow carry?

About 12,450 vehicles per day (2022 count), of which roughly 12% are trucks.

How long is US 65 NB over Des Moines Rvr Overflow?

The structure is 704 ft (214.5 m) long with a longest span of 114 ft (34.7 m) and a deck 43 ft wide.

Who owns US 65 NB over Des Moines Rvr Overflow?

It is owned by the State Highway Agency.