US Bridges

US-127 NB over Mdot RR Cor & M-50

Good

Jackson County, Michigan · @ N JCT M-50 · Structure no. 000000000004442

Built
1959
66 years old, rebuilt 2022
Condition
Good
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
287 ft
4 main spans
Daily traffic
12,475
2022 count
Owner
State
State Highway Agency

About this bridge

US-127 NB over Mdot RR Cor & M-50 is a steel stringer/multi-beam or girder carrying US-127 NB over Mdot RR Cor & M-50 in Jackson County, Michigan. It was built in 1959 and reconstructed in 2022, so it is 66 years old, older 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 12,475 vehicles a day, roughly 8% of them trucks, projected to reach 13,775 by 2042. The structure is 287 ft (87.6 m) long and 37 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesUS-127 NB
CrossesMdot RR Cor & M-50
Location@ N JCT M-50
RouteU.S. Route 127
Coordinates42.20509, -84.3695
Functional classUrban Other Principal Arterial

Condition and inspection

Good

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 20 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment7: Better than present minimum criteria
Operating rating85.8 US tons
Inventory rating51.5 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length287 ft (87.6 m)
Longest span73 ft (22.1 m)
Deck width37 ft (11.2 m)
Roadway width33 ft (10.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,475 (2022)
Projected traffic13,775 by 2042
Trucks8%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway and railroad
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

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 US-127 NB over Mdot RR Cor & M-50 built?

It was built in 1959, making it 66 years old in 2025. It was reconstructed in 2022.

What condition is US-127 NB over Mdot RR Cor & M-50 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 October 2023.

How much traffic does US-127 NB over Mdot RR Cor & M-50 carry?

About 12,475 vehicles per day (2022 count), of which roughly 8% are trucks.

How long is US-127 NB over Mdot RR Cor & M-50?

The structure is 287 ft (87.6 m) long with a longest span of 73 ft (22.1 m) and a deck 37 ft wide.

Who owns US-127 NB over Mdot RR Cor & M-50?

It is owned by the State Highway Agency.