US Bridges

Second Blvd over I-75

Fair

Wayne County, Michigan · In Detroit · Structure no. 000000000011777

Built
1967
58 years old, rebuilt 1996
Condition
Fair
inspected May 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
156 ft
2 main spans
Daily traffic
7,200
1996 count
Owner
State
State Highway Agency

About this bridge

Second Blvd over I-75 is a prestressed concrete box beam or girders - multiple carrying Second Blvd over I-75 in Wayne County, Michigan. It was built in 1967 and reconstructed in 1996, so it is 58 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 7,200 vehicles a day, roughly 8% of them trucks, projected to reach 9,470 by 2016. The structure is 156 ft (47.5 m) long and 75 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesSecond Blvd
CrossesI-75
LocationIn Detroit
RouteCity Street 0
CountyWayne County
StateMichigan
Coordinates42.3369, -83.05829
Functional classUrban Local

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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Last inspectionMay 2024
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 geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment6: Equal to present minimum criteria
Operating rating85.3 US tons
Inventory rating39.2 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length156 ft (47.5 m)
Longest span78 ft (23.8 m)
Deck width75 ft (22.8 m)
Roadway width49 ft (14.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,200 (1996)
Projected traffic9,470 by 2016
Trucks8%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed1.9 mi (3 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 Second Blvd over I-75 built?

It was built in 1967, making it 58 years old in 2025. It was reconstructed in 1996.

What condition is Second Blvd over I-75 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 May 2024.

How much traffic does Second Blvd over I-75 carry?

About 7,200 vehicles per day (1996 count), of which roughly 8% are trucks.

How long is Second Blvd over I-75?

The structure is 156 ft (47.5 m) long with a longest span of 78 ft (23.8 m) and a deck 75 ft wide.

Who owns Second Blvd over I-75?

It is owned by the State Highway Agency.