US Bridges

Front ST over Muddy Creek

Fair

Johnson County, Iowa · 000000000 · Structure no. 000000000204902

Built
2002
23 years old
Condition
Fair
inspected April 2023
Type
Culvert
Concrete Continuous
Length
25 ft
2 main spans
Daily traffic
7,700
2021 count
Owner
City
City or Municipal Highway Agency

About this bridge

Front ST over Muddy Creek is a concrete continuous culvert carrying Front ST over Muddy Creek in Johnson County, Iowa. It was built in 2002, so it is 23 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 7,700 vehicles a day, projected to reach 7,700 by 2043. The structure is 25 ft (7.6 m) long and 48 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

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CarriesFront ST
CrossesMuddy Creek
Location000000000
RouteCity Street 0
CountyJohnson County
StateIowa
Coordinates41.72672, -91.59812
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating51.5 US tons
Inventory rating39.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHL 93
Structure length25 ft (7.6 m)
Longest span12 ft (3.7 m)
Deck width48 ft (14.6 m)
Roadway width31 ft (9.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,700 (2021)
Projected traffic7,700 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCounty 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 Front ST over Muddy Creek built?

It was built in 2002, making it 23 years old in 2025.

What condition is Front ST over Muddy 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 April 2023.

How much traffic does Front ST over Muddy Creek carry?

About 7,700 vehicles per day (2021 count).

How long is Front ST over Muddy Creek?

The structure is 25 ft (7.6 m) long with a longest span of 12 ft (3.7 m) and a deck 48 ft wide.

Who owns Front ST over Muddy Creek?

It is owned by the City or Municipal Highway Agency and maintained by the County Highway Agency.