US Bridges

NE 72nd ST over I-80 & US 6

Good

Polk County, Iowa · 1.6 Mi. E of Jct. U.S. 65 · Structure no. 000000000042061

Built
2006
19 years old
Condition
Good
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
312 ft
2 main spans
Daily traffic
5,975
2022 count
Owner
State
State Highway Agency

About this bridge

NE 72nd ST over I-80 & US 6 is a steel continuous stringer/multi-beam or girder carrying NE 72nd ST over I-80 & US 6 in Polk County, Iowa. It was built in 2006, so it is 19 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 5,975 vehicles a day, roughly 4% of them trucks, projected to reach 5,975 by 2044. The structure is 312 ft (95.1 m) long and 80 ft wide.

CarriesNE 72nd ST
CrossesI-80 & US 6
Location1.6 Mi. E of Jct. U.S. 65
RouteCounty Highway 0
StateIowa
Coordinates41.66697, -93.4645
Functional classUrban Minor 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.
Substructure8 Very GoodNo problems noted.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating80.7 US tons
Inventory rating48.4 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length312 ft (95.1 m)
Longest span156 ft (47.5 m)
Deck width80 ft (24.4 m)
Roadway width68 ft (20.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,975 (2022)
Projected traffic5,975 by 2044
Trucks4%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemNo

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 NE 72nd ST over I-80 & US 6 built?

It was built in 2006, making it 19 years old in 2025.

What condition is NE 72nd ST over I-80 & US 6 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 August 2024.

How much traffic does NE 72nd ST over I-80 & US 6 carry?

About 5,975 vehicles per day (2022 count), of which roughly 4% are trucks.

How long is NE 72nd ST over I-80 & US 6?

The structure is 312 ft (95.1 m) long with a longest span of 156 ft (47.5 m) and a deck 80 ft wide.

Who owns NE 72nd ST over I-80 & US 6?

It is owned by the State Highway Agency.