US Bridges

Champion ST over US-41 M-28

Fair

Marquette County, Michigan · In Marquette · Structure no. 000000000006508

Built
1963
62 years old
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
198 ft
3 main spans
Daily traffic
3,300
2012 count
Owner
State
State Highway Agency

About this bridge

Champion ST over US-41 M-28 is a steel stringer/multi-beam or girder carrying Champion ST over US-41 M-28 in Marquette County, Michigan. It was built in 1963, so it is 62 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 3,300 vehicles a day, roughly 3% of them trucks, projected to reach 3,800 by 2032. The structure is 198 ft (60.4 m) long and 40 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesChampion ST
CrossesUS-41 M-28
LocationIn Marquette
RouteCity Street 0
Coordinates46.53779, -87.39609
Functional classUrban Collector

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment7: Better than present minimum criteria
Operating rating71.4 US tons
Inventory rating42.9 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length198 ft (60.4 m)
Longest span97 ft (29.6 m)
Deck width40 ft (12.3 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,300 (2012)
Projected traffic3,800 by 2032
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Champion ST over US-41 M-28 built?

It was built in 1963, making it 62 years old in 2025.

What condition is Champion ST over US-41 M-28 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 July 2024.

How much traffic does Champion ST over US-41 M-28 carry?

About 3,300 vehicles per day (2012 count), of which roughly 3% are trucks.

How long is Champion ST over US-41 M-28?

The structure is 198 ft (60.4 m) long with a longest span of 97 ft (29.6 m) and a deck 40 ft wide.

Who owns Champion ST over US-41 M-28?

It is owned by the State Highway Agency.