US Bridges

Laplaisance RD over Plum Creek

Fair

Monroe County, Michigan · 1.85 MI N of I 75 · Structure no. 000000000007296

Built
1928
97 years old, rebuilt 2002
Condition
Fair
inspected September 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
40 ft
1 main span
Daily traffic
4,010
2017 count
Owner
County
County Highway Agency

About this bridge

Laplaisance RD over Plum Creek is a prestressed concrete box beam or girders - multiple carrying Laplaisance RD over Plum Creek in Monroe County, Michigan. It was built in 1928 and reconstructed in 2002, so it is 97 years old, older than the Michigan average of 48.3 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 4,010 vehicles a day, roughly 5% of them trucks, projected to reach 4,067 by 2037. The structure is 40 ft (12.2 m) long and 44 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesLaplaisance RD
CrossesPlum Creek
Location1.85 MI N of I 75
RouteCounty Highway 2016
CountyMonroe County
StateMichigan
Coordinates41.90385, -83.39768
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
Deck7 GoodSome minor problems.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating107.1 US tons
Inventory rating63.9 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length40 ft (12.2 m)
Longest span36 ft (10.9 m)
Deck width44 ft (13.3 m)
Roadway width42 ft (12.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,010 (2017)
Projected traffic4,067 by 2037
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 Laplaisance RD over Plum Creek built?

It was built in 1928, making it 97 years old in 2025. It was reconstructed in 2002.

What condition is Laplaisance RD over Plum 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 September 2024.

How much traffic does Laplaisance RD over Plum Creek carry?

About 4,010 vehicles per day (2017 count), of which roughly 5% are trucks.

How long is Laplaisance RD over Plum Creek?

The structure is 40 ft (12.2 m) long with a longest span of 36 ft (10.9 m) and a deck 44 ft wide.

Who owns Laplaisance RD over Plum Creek?

It is owned by the County Highway Agency.