US Bridges

Washington Ave over Pere Marquette Lk Bayou

Good

Mason County, Michigan · In Ludington · Structure no. 000000000006690

Built
2013
12 years old
Condition
Good
inspected September 2023
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete
Length
211 ft
3 main spans
Daily traffic
6,340
2012 count
Owner
City
City or Municipal Highway Agency

About this bridge

Washington Ave over Pere Marquette Lk Bayou is a prestressed concrete box beam or girders - single or spread carrying Washington Ave over Pere Marquette Lk Bayou in Mason County, Michigan. It was built in 2013, so it is 12 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 6,340 vehicles a day, roughly 23% of them trucks, projected to reach 7,010 by 2032. The structure is 211 ft (64.3 m) long and 45 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesWashington Ave
CrossesPere Marquette Lk Bayou
LocationIn Ludington
RouteCity Street 0
CountyMason County
StateMichigan
Coordinates43.94761, -86.43941
Functional classUrban Minor Arterial

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable 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 rating89.3 US tons
Inventory rating68.9 US tons

Structure

Structure typeBox Beam or Girders - Single or Spread
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadGreater than HL 93
Structure length211 ft (64.3 m)
Longest span68 ft (20.8 m)
Deck width45 ft (13.7 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,340 (2012)
Projected traffic7,010 by 2032
Trucks23%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 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—
NavigationNavigation control on waterway (bridge permit required)

Frequently asked questions

When was Washington Ave over Pere Marquette Lk Bayou built?

It was built in 2013, making it 12 years old in 2025.

What condition is Washington Ave over Pere Marquette Lk Bayou 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 September 2023.

How much traffic does Washington Ave over Pere Marquette Lk Bayou carry?

About 6,340 vehicles per day (2012 count), of which roughly 23% are trucks.

How long is Washington Ave over Pere Marquette Lk Bayou?

The structure is 211 ft (64.3 m) long with a longest span of 68 ft (20.8 m) and a deck 45 ft wide.

Who owns Washington Ave over Pere Marquette Lk Bayou?

It is owned by the City or Municipal Highway Agency.