US Bridges

Ia 141 Fly over over I 35/80 Ia 141 & RR

Good

Polk County, Iowa · At Jct. Ia 141 & I-35/80 · Structure no. 000000000700870

Built
2019
6 years old
Condition
Good
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
2,385 ft
11 main spans
Daily traffic
15,100
2022 count
Owner
State
State Highway Agency

About this bridge

Ia 141 Fly over over I 35/80 Ia 141 & RR is a steel continuous stringer/multi-beam or girder carrying Ia 141 Fly over over I 35/80 Ia 141 & RR in Polk County, Iowa. It was built in 2019, so it is 6 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 15,100 vehicles a day, roughly 8% of them trucks, projected to reach 15,100 by 2044. The structure is 2,385 ft (727.1 m) long and 39 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesIa 141 Fly over
CrossesI 35/80 Ia 141 & RR
LocationAt Jct. Ia 141 & I-35/80
RouteInterstate 80
CountyPolk County
StateIowa
Coordinates41.64633, -93.77569
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Last inspectionOctober 2024
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 rating46.7 US tons
Inventory rating36 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans11
Design loadHL 93
Structure length2,385 ft (727.1 m)
Longest span300 ft (91.4 m)
Deck width39 ft (11.9 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15,100 (2022)
Projected traffic15,100 by 2044
Trucks8%
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 Ia 141 Fly over over I 35/80 Ia 141 & RR built?

It was built in 2019, making it 6 years old in 2025.

What condition is Ia 141 Fly over over I 35/80 Ia 141 & RR 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 October 2024.

How much traffic does Ia 141 Fly over over I 35/80 Ia 141 & RR carry?

About 15,100 vehicles per day (2022 count), of which roughly 8% are trucks.

How long is Ia 141 Fly over over I 35/80 Ia 141 & RR?

The structure is 2,385 ft (727.1 m) long with a longest span of 300 ft (91.4 m) and a deck 39 ft wide.

Who owns Ia 141 Fly over over I 35/80 Ia 141 & RR?

It is owned by the State Highway Agency.