US Bridges

76 TH Street over So Br Pere Marquette Riv

Good

Lake County, Michigan · 3 MI S of Baldwin · Structure no. 000000000005276

Built
1998
27 years old
Condition
Good
inspected May 2023
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
61 ft
3 main spans
Daily traffic
1,000
2007 count
Owner
County
County Highway Agency

About this bridge

76 TH Street over So Br Pere Marquette Riv is a wood or timber stringer/multi-beam or girder carrying 76 TH Street over So Br Pere Marquette Riv in Lake County, Michigan. It was built in 1998, so it is 27 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 1,000 vehicles a day, roughly 6% of them trucks, projected to reach 1,800 by 2025. The structure is 61 ft (18.5 m) long and 34 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Carries76 TH Street
CrossesSo Br Pere Marquette Riv
Location3 MI S of Baldwin
RouteCounty Highway 4312
Coordinates43.85022, -85.84341
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
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating95 US tons
Inventory rating67.9 US tons

Structure

MaterialWood or Timber
DeckWood or timber
Main spans3
Design loadHS 20
Structure length61 ft (18.5 m)
Longest span34 ft (10.5 m)
Deck width34 ft (10.3 m)
Roadway width33 ft (10.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,000 (2007)
Projected traffic1,800 by 2025
Trucks6%
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 76 TH Street over So Br Pere Marquette Riv built?

It was built in 1998, making it 27 years old in 2025.

What condition is 76 TH Street over So Br Pere Marquette Riv 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 May 2023.

How much traffic does 76 TH Street over So Br Pere Marquette Riv carry?

About 1,000 vehicles per day (2007 count), of which roughly 6% are trucks.

How long is 76 TH Street over So Br Pere Marquette Riv?

The structure is 61 ft (18.5 m) long with a longest span of 34 ft (10.5 m) and a deck 34 ft wide.

Who owns 76 TH Street over So Br Pere Marquette Riv?

It is owned by the County Highway Agency.