US Bridges

Lafayette Street over Conrail

Fair

Wayne County, Michigan · Lafayette at Twelfth ST · Structure no. 000000000012363

Built
1984
41 years old, rebuilt 2016
Condition
Fair
inspected December 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
125 ft
2 main spans
Daily traffic
3,500
2015 count
Owner
City
City or Municipal Highway Agency

About this bridge

Lafayette Street over Conrail is a steel stringer/multi-beam or girder carrying Lafayette Street over Conrail in Wayne County, Michigan. It was built in 1984 and reconstructed in 2016, so it is 41 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 3,500 vehicles a day, roughly 3% of them trucks, projected to reach 4,025 by 2035. The structure is 125 ft (38.2 m) long and 79 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesLafayette Street
CrossesConrail
LocationLafayette at Twelfth ST
RouteCity Street 2000
Coordinates42.32349, -83.06691
Functional classUrban Minor 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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating83.6 US tons
Inventory rating50 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20 + Mod
Structure length125 ft (38.2 m)
Longest span75 ft (22.8 m)
Deck width79 ft (24.1 m)
Roadway width57 ft (17.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,500 (2015)
Projected traffic4,025 by 2035
Trucks3%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesRailroad
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Lafayette Street over Conrail built?

It was built in 1984, making it 41 years old in 2025. It was reconstructed in 2016.

What condition is Lafayette Street over Conrail 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 December 2023.

How much traffic does Lafayette Street over Conrail carry?

About 3,500 vehicles per day (2015 count), of which roughly 3% are trucks.

How long is Lafayette Street over Conrail?

The structure is 125 ft (38.2 m) long with a longest span of 75 ft (22.8 m) and a deck 79 ft wide.

Who owns Lafayette Street over Conrail?

It is owned by the City or Municipal Highway Agency.