US Bridges

M-14 WB over CSX RR

Fair

Wayne County, Michigan · 1.5 MI W of Plymouth · Structure no. 000000000011352

Built
1976
49 years old, rebuilt 2006
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
287 ft
3 main spans
Daily traffic
36,640
2007 count
Owner
State
State Highway Agency

About this bridge

M-14 WB over CSX RR is a steel stringer/multi-beam or girder carrying M-14 WB over CSX RR in Wayne County, Michigan. It was built in 1976 and reconstructed in 2006, so it is 49 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 5 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 36,640 vehicles a day, roughly 8% of them trucks, projected to reach 95,000 by 2026. The structure is 287 ft (87.5 m) long and 64 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesM-14 WB
CrossesCSX RR
Location1.5 MI W of Plymouth
RouteState Highway 14
Coordinates42.38321, -83.48811
Functional classUrban Principal Arterial - Other Freeway or Expressway

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating107.1 US tons
Inventory rating65 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 25 or greater
Structure length287 ft (87.5 m)
Longest span126 ft (38.4 m)
Deck width64 ft (19.4 m)
Roadway width60 ft (18.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic36,640 (2007)
Projected traffic95,000 by 2026
Trucks8%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesRailroad
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 M-14 WB over CSX RR built?

It was built in 1976, making it 49 years old in 2025. It was reconstructed in 2006.

What condition is M-14 WB over CSX 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 October 2023.

How much traffic does M-14 WB over CSX RR carry?

About 36,640 vehicles per day (2007 count), of which roughly 8% are trucks.

How long is M-14 WB over CSX RR?

The structure is 287 ft (87.5 m) long with a longest span of 126 ft (38.4 m) and a deck 64 ft wide.

Who owns M-14 WB over CSX RR?

It is owned by the State Highway Agency.