US Bridges

M-45 Lake Mich Drv over I-196 WB

Fair

Kent County, Michigan · In Grand Rapids I-196 WB · Structure no. 000000000004822

Built
1964
61 years old, rebuilt 1991
Condition
Fair
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
158 ft
3 main spans
Daily traffic
36,401
2007 count
Owner
State
State Highway Agency

About this bridge

M-45 Lake Mich Drv over I-196 WB is a steel stringer/multi-beam or girder carrying M-45 Lake Mich Drv over I-196 WB in Kent County, Michigan. It was built in 1964 and reconstructed in 1991, so it is 61 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 36,401 vehicles a day, roughly 1% of them trucks, projected to reach 34,089 by 2018. The structure is 158 ft (48.1 m) long and 63 ft wide.

Location

Open in Google Maps
CarriesM-45 Lake Mich Drv
CrossesI-196 WB
LocationIn Grand Rapids I-196 WB
RouteState Highway 45
CountyKent County
StateMichigan
Coordinates42.96587, -85.70659
Functional classUrban Other Principal 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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 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 geometry3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment8: Equal to present desirable criteria
Operating rating71.8 US tons
Inventory rating42.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length158 ft (48.1 m)
Longest span76 ft (23.1 m)
Deck width63 ft (19.3 m)
Roadway width50 ft (15.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic36,401 (2007)
Projected traffic34,089 by 2018
Trucks1%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemYes

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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was M-45 Lake Mich Drv over I-196 WB built?

It was built in 1964, making it 61 years old in 2025. It was reconstructed in 1991.

What condition is M-45 Lake Mich Drv over I-196 WB 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 June 2024.

How much traffic does M-45 Lake Mich Drv over I-196 WB carry?

About 36,401 vehicles per day (2007 count), of which roughly 1% are trucks.

How long is M-45 Lake Mich Drv over I-196 WB?

The structure is 158 ft (48.1 m) long with a longest span of 76 ft (23.1 m) and a deck 63 ft wide.

Who owns M-45 Lake Mich Drv over I-196 WB?

It is owned by the State Highway Agency.