US Bridges

Kelly Road over Muddy Creek

PoorPosted for load

Monroe County, Michigan · 0.1 MI W of Cousino Road · Structure no. 000000000007363

Built
1986
39 years old
Condition
Poor
inspected August 2024
Type
Culvert
Concrete
Length
31 ft
1 main span
Daily traffic
280
2018 count
Owner
County
County Highway Agency

About this bridge

Kelly Road over Muddy Creek is a concrete culvert carrying Kelly Road over Muddy Creek in Monroe County, Michigan. It was built in 1986, so it is 39 years old, younger than the Michigan average of 48.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 3 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 280 vehicles a day, roughly 19% of them trucks, projected to reach 322 by 2038. The structure is 31 ft (9.4 m) long. If it were closed, the detour would be 3.7 mi (6 km).

Location

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CarriesKelly Road
CrossesMuddy Creek
Location0.1 MI W of Cousino Road
RouteCounty Highway 0
CountyMonroe County
StateMichigan
Coordinates41.83016, -83.44676
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Last inspectionAugust 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating31.4 US tons
Inventory rating18.5 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length31 ft (9.4 m)
Longest span28 ft (8.5 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic280 (2018)
Projected traffic322 by 2038
Trucks19%
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

OwnerCounty 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 Kelly Road over Muddy Creek built?

It was built in 1986, making it 39 years old in 2025.

What condition is Kelly Road over Muddy Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in August 2024.

How much traffic does Kelly Road over Muddy Creek carry?

About 280 vehicles per day (2018 count), of which roughly 19% are trucks.

How long is Kelly Road over Muddy Creek?

The structure is 31 ft (9.4 m) long with a longest span of 28 ft (8.5 m).

Who owns Kelly Road over Muddy Creek?

It is owned by the County Highway Agency.