US Bridges

Schoolcraft Conn over M-14

Fair

Wayne County, Michigan · 1 MI W of W Cty Lts Livon · Structure no. 000000000011364

Built
1977
48 years old, rebuilt 2024
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
290 ft
2 main spans
Daily traffic
63,580
2024 count
Owner
State
State Highway Agency

About this bridge

Schoolcraft Conn over M-14 is a steel stringer/multi-beam or girder carrying Schoolcraft Conn over M-14 in Wayne County, Michigan. It was built in 1977 and reconstructed in 2024, so it is 48 years old, younger 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 63,580 vehicles a day, roughly 7% of them trucks, projected to reach 69,780 by 2044. The structure is 290 ft (88.4 m) long and 65 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesSchoolcraft Conn
CrossesM-14
Location1 MI W of W Cty Lts Livon
RouteCounty Highway 2057
CountyWayne County
StateMichigan
Coordinates42.38682, -83.44887
Functional classUrban Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck9 ExcellentNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating80.7 US tons
Inventory rating48.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length290 ft (88.4 m)
Longest span159 ft (48.6 m)
Deck width65 ft (19.8 m)
Roadway width53 ft (16.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic63,580 (2024)
Projected traffic69,780 by 2044
Trucks7%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
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 proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Schoolcraft Conn over M-14 built?

It was built in 1977, making it 48 years old in 2025. It was reconstructed in 2024.

What condition is Schoolcraft Conn over M-14 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 2024.

How much traffic does Schoolcraft Conn over M-14 carry?

About 63,580 vehicles per day (2024 count), of which roughly 7% are trucks.

How long is Schoolcraft Conn over M-14?

The structure is 290 ft (88.4 m) long with a longest span of 159 ft (48.6 m) and a deck 65 ft wide.

Who owns Schoolcraft Conn over M-14?

It is owned by the State Highway Agency.