US Bridges

Allen Cove Road over Muddy Creek

Good

Monroe County, Michigan · City of Luna Pier · Structure no. 000000000007404

Built
1980
45 years old
Condition
Good
inspected August 2023
Type
Culvert
Steel
Length
31 ft
2 main spans
Daily traffic
355
1999 count
Owner
City
City or Municipal Highway Agency

About this bridge

Allen Cove Road over Muddy Creek is a steel culvert carrying Allen Cove Road over Muddy Creek in Monroe County, Michigan. It was built in 1980, so it is 45 years old, younger than the Michigan average of 48.3 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 355 vehicles a day, roughly 1% of them trucks, projected to reach 380 by 2019. The structure is 31 ft (9.6 m) long. If it were closed, the detour would be 98.8 mi (159 km).

CarriesAllen Cove Road
CrossesMuddy Creek
LocationCity of Luna Pier
RouteCity Street 0
Coordinates41.82053, -83.4304
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating56.1 US tons
Inventory rating33.6 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans2
Design loadHS 20 + Mod
Structure length31 ft (9.6 m)
Longest span13 ft (4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic355 (1999)
Projected traffic380 by 2019
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 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 Allen Cove Road over Muddy Creek built?

It was built in 1980, making it 45 years old in 2025.

What condition is Allen Cove Road over Muddy Creek 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 August 2023.

How much traffic does Allen Cove Road over Muddy Creek carry?

About 355 vehicles per day (1999 count), of which roughly 1% are trucks.

How long is Allen Cove Road over Muddy Creek?

The structure is 31 ft (9.6 m) long with a longest span of 13 ft (4 m).

Who owns Allen Cove Road over Muddy Creek?

It is owned by the City or Municipal Highway Agency.