US Bridges

5th ST over Mad Creek

Fair

Muscatine County, Iowa · 000000000 · Structure no. 000000000008421

Built
2006
19 years old
Condition
Fair
inspected November 2023
Type
Slab
Concrete Continuous
Length
130 ft
3 main spans
Daily traffic
7,900
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

5th ST over Mad Creek is a concrete continuous slab carrying 5th ST over Mad Creek in Muscatine County, Iowa. It was built in 2006, so it is 19 years old, younger 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 6 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 7,900 vehicles a day, projected to reach 7,900 by 2043. The structure is 130 ft (39.6 m) long and 36 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
Carries5th ST
CrossesMad Creek
Location000000000
RouteCity Street 0
CountyMuscatine County
StateIowa
Coordinates41.42951, -91.03768
Functional classUrban Minor Arterial

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment6: Equal to present minimum criteria
Operating rating79 US tons
Inventory rating47.3 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length130 ft (39.6 m)
Longest span60 ft (18.3 m)
Deck width36 ft (11 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,900 (2022)
Projected traffic7,900 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
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 proposedReplacement because of relocation of road
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was 5th ST over Mad Creek built?

It was built in 2006, making it 19 years old in 2025.

What condition is 5th ST 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 5th ST over Mad Creek carry?

About 7,900 vehicles per day (2022 count).

How long is 5th ST over Mad Creek?

The structure is 130 ft (39.6 m) long with a longest span of 60 ft (18.3 m) and a deck 36 ft wide.

Who owns 5th ST over Mad Creek?

It is owned by the City or Municipal Highway Agency.