US Bridges

M-14 (old) over Middle Rouge River

Fair

Wayne County, Michigan · In Livonia · Structure no. 000000000011345

Built
1925
100 years old
Condition
Fair
inspected October 2023
Type
Arch - Deck
Concrete
Length
77 ft
1 main span
Daily traffic
25,314
2007 count
Owner
State
State Highway Agency

About this bridge

M-14 (old) over Middle Rouge River is a concrete arch - deck carrying M-14 (old) over Middle Rouge River in Wayne County, Michigan. It was built in 1925, so it is 100 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 25,314 vehicles a day, roughly 3% of them trucks, projected to reach 32,870 by 2018. The structure is 77 ft (23.4 m) long and 44 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesM-14 (old)
CrossesMiddle Rouge River
LocationIn Livonia
RouteState Highway 14
Coordinates42.36618, -83.40896
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 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
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating107.1 US tons
Inventory rating87.5 US tons

Structure

Structure typeArch - Deck
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length77 ft (23.4 m)
Longest span77 ft (23.4 m)
Deck width44 ft (13.4 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25,314 (2007)
Projected traffic32,870 by 2018
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was M-14 (old) over Middle Rouge River built?

It was built in 1925, making it 100 years old in 2025.

What condition is M-14 (old) over Middle Rouge River 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 (old) over Middle Rouge River carry?

About 25,314 vehicles per day (2007 count), of which roughly 3% are trucks.

How long is M-14 (old) over Middle Rouge River?

The structure is 77 ft (23.4 m) long with a longest span of 77 ft (23.4 m) and a deck 44 ft wide.

Who owns M-14 (old) over Middle Rouge River?

It is owned by the State Highway Agency.