US Bridges

S Broadway ST over M Br Pere Marquette Riv

Fair

Lake County, Michigan · 0.6 MI S of Birmingham RD · Structure no. 000000000014667

Built
1950
75 years old
Condition
Fair
inspected December 2023
Type
Culvert
Steel
Length
23 ft
2 main spans
Daily traffic
400
2023 count
Owner
County
County Highway Agency

About this bridge

S Broadway ST over M Br Pere Marquette Riv is a steel culvert carrying S Broadway ST over M Br Pere Marquette Riv in Lake County, Michigan. It was built in 1950, so it is 75 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 6 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 400 vehicles a day, projected to reach 460 by 2043. The structure is 23 ft (7.1 m) long. If it were closed, the detour would be 3.1 mi (5 km).

CarriesS Broadway ST
CrossesM Br Pere Marquette Riv
Location0.6 MI S of Birmingham RD
RouteCounty Highway 4363
Coordinates43.8685, -85.7747
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: 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 rating75.7 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans2
Design loadHS 20
Structure length23 ft (7.1 m)
Longest span11 ft (3.3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic400 (2023)
Projected traffic460 by 2043
Trucks0%
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 S Broadway ST over M Br Pere Marquette Riv built?

It was built in 1950, making it 75 years old in 2025.

What condition is S Broadway ST over M Br Pere Marquette Riv 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 December 2023.

How much traffic does S Broadway ST over M Br Pere Marquette Riv carry?

About 400 vehicles per day (2023 count).

How long is S Broadway ST over M Br Pere Marquette Riv?

The structure is 23 ft (7.1 m) long with a longest span of 11 ft (3.3 m).

Who owns S Broadway ST over M Br Pere Marquette Riv?

It is owned by the County Highway Agency.