US Bridges

Mlk Jr Pkwy S over Racoon River Fleur RR

Good

Polk County, Iowa · 078240800 · Structure no. 000000000504745

Built
2004
21 years old
Condition
Good
inspected July 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
920 ft
7 main spans
Daily traffic
8,147
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

Mlk Jr Pkwy S over Racoon River Fleur RR is a prestressed concrete stringer/multi-beam or girder carrying Mlk Jr Pkwy S over Racoon River Fleur RR 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 8,147 vehicles a day, projected to reach 8,147 by 2043. The structure is 920 ft (280.4 m) long and 47 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesMlk Jr Pkwy S
CrossesRacoon River Fleur RR
Location078240800
RouteCity Street 0
CountyPolk County
StateIowa
Coordinates41.58315, -93.64489
Functional classUrban Other Principal Arterial

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.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating88.8 US tons
Inventory rating53.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans7
Design loadHS 20
Structure length920 ft (280.4 m)
Longest span141 ft (43 m)
Deck width47 ft (14.2 m)
Roadway width44 ft (13.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,147 (2022)
Projected traffic8,147 by 2043
Trucks0%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway, waterway and railroad
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Mlk Jr Pkwy S over Racoon River Fleur RR built?

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

What condition is Mlk Jr Pkwy S over Racoon River Fleur 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 July 2023.

How much traffic does Mlk Jr Pkwy S over Racoon River Fleur RR carry?

About 8,147 vehicles per day (2022 count).

How long is Mlk Jr Pkwy S over Racoon River Fleur RR?

The structure is 920 ft (280.4 m) long with a longest span of 141 ft (43 m) and a deck 47 ft wide.

Who owns Mlk Jr Pkwy S over Racoon River Fleur RR?

It is owned by the City or Municipal Highway Agency.