US Bridges

I-696 over I-75 & 4 Ramps

Poor

Oakland County, Michigan · In Royal Oak · Structure no. 000000000007966

Built
1971
54 years old
Condition
Poor
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
670 ft
3 main spans
Daily traffic
209,200
2007 count
Owner
State
State Highway Agency

About this bridge

I-696 over I-75 & 4 Ramps is a steel continuous stringer/multi-beam or girder carrying I-696 over I-75 & 4 Ramps in Oakland County, Michigan. It was built in 1971, so it is 54 years old, older than the Michigan average of 48.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 209,200 vehicles a day, roughly 4% of them trucks, projected to reach 222,094 by 2018. The structure is 670 ft (204.2 m) long and 153 ft wide.

CarriesI-696
CrossesI-75 & 4 Ramps
LocationIn Royal Oak
RouteInterstate 696
Coordinates42.47653, -83.11139
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

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.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating83.6 US tons
Inventory rating50 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3 (+2 approach)
Design loadHS 20 + Mod
Structure length670 ft (204.2 m)
Longest span160 ft (48.8 m)
Deck width153 ft (46.5 m)
Roadway width144 ft (44 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic209,200 (2007)
Projected traffic222,094 by 2018
Trucks4%
Lanes on structure8
Traffic directionTwo-way traffic
CarriesFourth level (interchange)
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedDeck replacement with only incidental widening
Estimated improvement cost$954,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-696 over I-75 & 4 Ramps built?

It was built in 1971, making it 54 years old in 2025.

What condition is I-696 over I-75 & 4 Ramps in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in July 2024.

How much traffic does I-696 over I-75 & 4 Ramps carry?

About 209,200 vehicles per day (2007 count), of which roughly 4% are trucks.

How long is I-696 over I-75 & 4 Ramps?

The structure is 670 ft (204.2 m) long with a longest span of 160 ft (48.8 m) and a deck 153 ft wide.

Who owns I-696 over I-75 & 4 Ramps?

It is owned by the State Highway Agency.