US Bridges

Erie RD over I-75

Good

Monroe County, Michigan · 4.7 MI NE Ohio State Line · Structure no. 000000000007178

Built
2020
5 years old
Condition
Good
inspected June 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
230 ft
2 main spans
Daily traffic
1,127
2015 count
Owner
State
State Highway Agency

About this bridge

Erie RD over I-75 is a steel continuous stringer/multi-beam or girder carrying Erie RD over I-75 in Monroe County, Michigan. It was built in 2020, so it is 5 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 1,127 vehicles a day, roughly 3% of them trucks, projected to reach 1,252 by 2036. The structure is 230 ft (70.1 m) long and 44 ft wide.

Location

Open in Google Maps
CarriesErie RD
CrossesI-75
Location4.7 MI NE Ohio State Line
RouteCounty Highway 0
CountyMonroe County
StateMichigan
Coordinates41.79444, -83.46193
Functional classRural Minor 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 inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating54.7 US tons
Inventory rating42.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadGreater than HL 93
Structure length230 ft (70.1 m)
Longest span113 ft (34.5 m)
Deck width44 ft (13.3 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,127 (2015)
Projected traffic1,252 by 2036
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
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 proposedDeck replacement with only incidental widening
Estimated improvement cost$106,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was Erie RD over I-75 built?

It was built in 2020, making it 5 years old in 2025.

What condition is Erie RD over I-75 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 Erie RD over I-75 carry?

About 1,127 vehicles per day (2015 count), of which roughly 3% are trucks.

How long is Erie RD over I-75?

The structure is 230 ft (70.1 m) long with a longest span of 113 ft (34.5 m) and a deck 44 ft wide.

Who owns Erie RD over I-75?

It is owned by the State Highway Agency.