US Bridges

M-8 E-S Ramp over Gtw RR

Fair

Wayne County, Michigan · In Detroit · Structure no. 000000000011839

Built
1971
54 years old, rebuilt 2015
Condition
Fair
inspected November 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
220 ft
3 main spans
Daily traffic
22,520
1982 count
Owner
State
State Highway Agency

About this bridge

M-8 E-S Ramp over Gtw RR is a steel stringer/multi-beam or girder carrying M-8 E-S Ramp over Gtw RR in Wayne County, Michigan. It was built in 1971 and reconstructed in 2015, so it is 54 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 22,520 vehicles a day, roughly 3% of them trucks, projected to reach 25,898 by 2002. The structure is 220 ft (67.1 m) long and 29 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesM-8 E-S Ramp
CrossesGtw RR
LocationIn Detroit
RouteState Highway 14
CountyWayne County
StateMichigan
Coordinates42.40759, -83.08082
Functional classUrban Other Principal Arterial

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.
Substructure7 GoodSome minor problems.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment8: Equal to present desirable criteria
Operating rating95.3 US tons
Inventory rating57.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length220 ft (67.1 m)
Longest span95 ft (28.9 m)
Deck width29 ft (8.7 m)
Roadway width17 ft (5.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic22,520 (1982)
Projected traffic25,898 by 2002
Trucks3%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesRailroad
Detour if closed3.1 mi (5 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 M-8 E-S Ramp over Gtw RR built?

It was built in 1971, making it 54 years old in 2025. It was reconstructed in 2015.

What condition is M-8 E-S Ramp over Gtw RR 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 November 2023.

How much traffic does M-8 E-S Ramp over Gtw RR carry?

About 22,520 vehicles per day (1982 count), of which roughly 3% are trucks.

How long is M-8 E-S Ramp over Gtw RR?

The structure is 220 ft (67.1 m) long with a longest span of 95 ft (28.9 m) and a deck 29 ft wide.

Who owns M-8 E-S Ramp over Gtw RR?

It is owned by the State Highway Agency.