US Bridges

I-69 WB over Linden RD

Poor

Genesee County, Michigan · 2.0 MI E of Swartz Creek · Structure no. 000000000002553

Built
1968
57 years old
Condition
Poor
inspected April 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
137 ft
3 main spans
Daily traffic
19,829
2007 count
Owner
State
State Highway Agency

About this bridge

I-69 WB over Linden RD is a prestressed concrete stringer/multi-beam or girder carrying I-69 WB over Linden RD in Genesee County, Michigan. It was built in 1968, so it is 57 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. Its operating status is: open, would be posted or closed except for temporary shoring.

It carries about 19,829 vehicles a day, roughly 14% of them trucks, projected to reach 24,684 by 2018. The structure is 137 ft (41.7 m) long and 48 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI-69 WB
CrossesLinden RD
Location2.0 MI E of Swartz Creek
RouteInterstate 69
Coordinates42.97013, -83.77185
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.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, would be posted or closed except for temporary shoring
ScourBridge not over waterway
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment8: Equal to present desirable criteria
Operating rating81.8 US tons
Inventory rating48.9 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length137 ft (41.7 m)
Longest span68 ft (20.7 m)
Deck width48 ft (14.7 m)
Roadway width44 ft (13.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic19,829 (2007)
Projected traffic24,684 by 2018
Trucks14%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
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 proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-69 WB over Linden RD built?

It was built in 1968, making it 57 years old in 2025.

What condition is I-69 WB over Linden RD 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 April 2024.

How much traffic does I-69 WB over Linden RD carry?

About 19,829 vehicles per day (2007 count), of which roughly 14% are trucks.

How long is I-69 WB over Linden RD?

The structure is 137 ft (41.7 m) long with a longest span of 68 ft (20.7 m) and a deck 48 ft wide.

Who owns I-69 WB over Linden RD?

It is owned by the State Highway Agency.