US Bridges

I 80 WB I 35 SB over Ia 415

Good

Polk County, Iowa · At Jct. of Ia 415 · Structure no. 000000000041601

Built
1999
26 years old
Condition
Good
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
256 ft
2 main spans
Daily traffic
39,550
2022 count
Owner
State
State Highway Agency

About this bridge

I 80 WB I 35 SB over Ia 415 is a steel continuous stringer/multi-beam or girder carrying I 80 WB I 35 SB over Ia 415 in Polk County, Iowa. It was built in 1999, so it is 26 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 39,550 vehicles a day, roughly 22% of them trucks, projected to reach 39,550 by 2044. The structure is 256 ft (78 m) long and 64 ft wide.

CarriesI 80 WB I 35 SB
CrossesIa 415
LocationAt Jct. of Ia 415
RouteInterstate 80
StateIowa
Coordinates41.64958, -93.61947
Functional classUrban Principal Arterial - Interstate

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 inspectionJuly 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 rating83.4 US tons
Inventory rating50 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length256 ft (78 m)
Longest span131 ft (39.9 m)
Deck width64 ft (19.4 m)
Roadway width61 ft (18.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic39,550 (2022)
Projected traffic39,550 by 2044
Trucks22%
Lanes on structure3
Traffic directionOne-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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 I 80 WB I 35 SB over Ia 415 built?

It was built in 1999, making it 26 years old in 2025.

What condition is I 80 WB I 35 SB over Ia 415 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 July 2024.

How much traffic does I 80 WB I 35 SB over Ia 415 carry?

About 39,550 vehicles per day (2022 count), of which roughly 22% are trucks.

How long is I 80 WB I 35 SB over Ia 415?

The structure is 256 ft (78 m) long with a longest span of 131 ft (39.9 m) and a deck 64 ft wide.

Who owns I 80 WB I 35 SB over Ia 415?

It is owned by the State Highway Agency.