US Bridges

IA5 W to I35 S over I-35 & Ia #5 Ramp C

Good

Polk County, Iowa · Jct. of Ia 5 · Structure no. 000000000608230

Built
2000
25 years old
Condition
Good
inspected June 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
827 ft
6 main spans
Daily traffic
1,540
2021 count
Owner
State
State Highway Agency

About this bridge

IA5 W to I35 S over I-35 & Ia #5 Ramp C is a prestressed concrete stringer/multi-beam or girder carrying IA5 W to I35 S over I-35 & Ia #5 Ramp C in Polk County, Iowa. It was built in 2000, so it is 25 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 1,540 vehicles a day, roughly 22% of them trucks, projected to reach 1,540 by 2043. The structure is 827 ft (252.1 m) long and 29 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesIA5 W to I35 S
CrossesI-35 & Ia #5 Ramp C
LocationJct. of Ia 5
RouteInterstate 35
StateIowa
Coordinates41.52514, -93.77133
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 inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating82.8 US tons
Inventory rating38.6 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans6
Design loadHS 20
Structure length827 ft (252.1 m)
Longest span141 ft (43 m)
Deck width29 ft (8.8 m)
Roadway width26 ft (7.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,540 (2021)
Projected traffic1,540 by 2043
Trucks22%
Lanes on structure1
Traffic directionOne-way traffic
CarriesThird level (interchange)
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 IA5 W to I35 S over I-35 & Ia #5 Ramp C built?

It was built in 2000, making it 25 years old in 2025.

What condition is IA5 W to I35 S over I-35 & Ia #5 Ramp C 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 June 2023.

How much traffic does IA5 W to I35 S over I-35 & Ia #5 Ramp C carry?

About 1,540 vehicles per day (2021 count), of which roughly 22% are trucks.

How long is IA5 W to I35 S over I-35 & Ia #5 Ramp C?

The structure is 827 ft (252.1 m) long with a longest span of 141 ft (43 m) and a deck 29 ft wide.

Who owns IA5 W to I35 S over I-35 & Ia #5 Ramp C?

It is owned by the State Highway Agency.