US Bridges

19th ST Ramp over Keo Way

Good

Polk County, Iowa · 3.6 Miles E of JCT Ia 28 · Structure no. 000000000504625

Built
2004
21 years old
Condition
Good
inspected December 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
343 ft
3 main spans
Daily traffic
12,200
2022 count
Owner
State
State Highway Agency

About this bridge

19th ST Ramp over Keo Way is a steel continuous stringer/multi-beam or girder carrying 19th ST Ramp over Keo Way in Polk County, Iowa. It was built in 2004, so it is 21 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 12,200 vehicles a day, roughly 3% of them trucks, projected to reach 12,200 by 2044. The structure is 343 ft (104.5 m) long and 49 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Carries19th ST Ramp
CrossesKeo Way
Location3.6 Miles E of JCT Ia 28
RouteInterstate 235
StateIowa
Coordinates41.59647, -93.63574
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.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99.8 US tons
Inventory rating71.3 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 25 or greater
Structure length343 ft (104.5 m)
Longest span168 ft (51.2 m)
Deck width49 ft (14.8 m)
Roadway width45 ft (13.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,200 (2022)
Projected traffic12,200 by 2044
Trucks3%
Lanes on structure3
Traffic directionOne-way traffic
CarriesOverpass structure at an 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 19th ST Ramp over Keo Way built?

It was built in 2004, making it 21 years old in 2025.

What condition is 19th ST Ramp over Keo Way 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 December 2024.

How much traffic does 19th ST Ramp over Keo Way carry?

About 12,200 vehicles per day (2022 count), of which roughly 3% are trucks.

How long is 19th ST Ramp over Keo Way?

The structure is 343 ft (104.5 m) long with a longest span of 168 ft (51.2 m) and a deck 49 ft wide.

Who owns 19th ST Ramp over Keo Way?

It is owned by the State Highway Agency.