US Bridges

Lake Park Blvd over Mad Creek

Fair

Muscatine County, Iowa · 000000000 · Structure no. 000000000008450

Built
1973
52 years old
Condition
Fair
inspected November 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
192 ft
3 main spans
Daily traffic
2,710
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

Lake Park Blvd over Mad Creek is a prestressed concrete stringer/multi-beam or girder carrying Lake Park Blvd over Mad Creek in Muscatine County, Iowa. It was built in 1973, so it is 52 years old, older than the Iowa average of 45.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 2,710 vehicles a day, roughly 2% of them trucks, projected to reach 2,710 by 2043. The structure is 192 ft (58.5 m) long and 32 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesLake Park Blvd
CrossesMad Creek
Location000000000
RouteCity Street 0
StateIowa
Coordinates41.44467, -91.04004
Functional classUrban Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating76.9 US tons
Inventory rating36.9 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length192 ft (58.5 m)
Longest span69 ft (21 m)
Deck width32 ft (9.8 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,710 (2022)
Projected traffic2,710 by 2043
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Lake Park Blvd over Mad Creek built?

It was built in 1973, making it 52 years old in 2025.

What condition is Lake Park Blvd over Mad Creek in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in November 2023.

How much traffic does Lake Park Blvd over Mad Creek carry?

About 2,710 vehicles per day (2022 count), of which roughly 2% are trucks.

How long is Lake Park Blvd over Mad Creek?

The structure is 192 ft (58.5 m) long with a longest span of 69 ft (21 m) and a deck 32 ft wide.

Who owns Lake Park Blvd over Mad Creek?

It is owned by the City or Municipal Highway Agency.