US Bridges

Rail Street over M-28 Br Silver ST

Fair

Marquette County, Michigan · In Negaunee · Structure no. 000000000006522

Built
1936
89 years old
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
73 ft
1 main span
Daily traffic
120
2010 count
Owner
State
State Highway Agency

About this bridge

Rail Street over M-28 Br Silver ST is a steel stringer/multi-beam or girder carrying Rail Street over M-28 Br Silver ST in Marquette County, Michigan. It was built in 1936, so it is 89 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 120 vehicles a day, projected to reach 137 by 2030. The structure is 73 ft (22.3 m) long and 131 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesRail Street
CrossesM-28 Br Silver ST
LocationIn Negaunee
RouteCity Street 0
Coordinates46.4979, -87.61185
Functional classUrban 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
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 geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating107.1 US tons
Inventory rating88.6 US tons

Structure

MaterialSteel
DeckNot applicable
Main spans1 (+2 approach)
Design loadRailroad
Structure length73 ft (22.3 m)
Longest span44 ft (13.3 m)
Deck width131 ft (39.9 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic120 (2010)
Projected traffic137 by 2030
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byCity or Municipal 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 Rail Street over M-28 Br Silver ST built?

It was built in 1936, making it 89 years old in 2025.

What condition is Rail Street over M-28 Br Silver ST 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 Rail Street over M-28 Br Silver ST carry?

About 120 vehicles per day (2010 count).

How long is Rail Street over M-28 Br Silver ST?

The structure is 73 ft (22.3 m) long with a longest span of 44 ft (13.3 m) and a deck 131 ft wide.

Who owns Rail Street over M-28 Br Silver ST?

It is owned by the State Highway Agency and maintained by the City or Municipal Highway Agency.