US Bridges

I-75 NB over Bay Creek RD

Good

Monroe County, Michigan · 3.6 MI NE Ohio State Line · Structure no. 000000000007176

Built
2019
6 years old
Condition
Good
inspected June 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
114 ft
1 main span
Daily traffic
27,575
2015 count
Owner
State
State Highway Agency

About this bridge

I-75 NB over Bay Creek RD is a prestressed concrete stringer/multi-beam or girder carrying I-75 NB over Bay Creek RD in Monroe County, Michigan. It was built in 2019, so it is 6 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 27,575 vehicles a day, roughly 29% of them trucks, projected to reach 30,773 by 2036. The structure is 114 ft (34.7 m) long and 64 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesI-75 NB
CrossesBay Creek RD
Location3.6 MI NE Ohio State Line
RouteInterstate 75
CountyMonroe County
StateMichigan
Coordinates41.78118, -83.4723
Functional classRural Principal Arterial - Interstate

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.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating70.8 US tons
Inventory rating52.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadGreater than HL 93
Structure length114 ft (34.7 m)
Longest span111 ft (33.9 m)
Deck width64 ft (19.4 m)
Roadway width60 ft (18.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic27,575 (2015)
Projected traffic30,773 by 2036
Trucks29%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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$4,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-75 NB over Bay Creek RD built?

It was built in 2019, making it 6 years old in 2025.

What condition is I-75 NB over Bay Creek RD 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 June 2023.

How much traffic does I-75 NB over Bay Creek RD carry?

About 27,575 vehicles per day (2015 count), of which roughly 29% are trucks.

How long is I-75 NB over Bay Creek RD?

The structure is 114 ft (34.7 m) long with a longest span of 111 ft (33.9 m) and a deck 64 ft wide.

Who owns I-75 NB over Bay Creek RD?

It is owned by the State Highway Agency.