US Bridges

I-196 WB over US-31 NB

Fair

Allegan County, Michigan · 6.6 MI SW of Ottawa Col · Structure no. 000000000000127

Built
1972
53 years old
Condition
Fair
inspected May 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
248 ft
3 main spans
Daily traffic
6,333
2007 count
Owner
State
State Highway Agency

About this bridge

I-196 WB over US-31 NB is a steel stringer/multi-beam or girder carrying I-196 WB over US-31 NB in Allegan County, Michigan. It was built in 1972, so it is 53 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 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 6,333 vehicles a day, roughly 29% of them trucks, projected to reach 7,500 by 2015. The structure is 248 ft (75.6 m) long and 44 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesI-196 WB
CrossesUS-31 NB
Location6.6 MI SW of Ottawa Col
RouteInterstate 196
Coordinates42.73294, -86.14349
Functional classUrban Principal Arterial - Interstate

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating102.8 US tons
Inventory rating61.4 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length248 ft (75.6 m)
Longest span120 ft (36.6 m)
Deck width44 ft (13.4 m)
Roadway width40 ft (12.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,333 (2007)
Projected traffic7,500 by 2015
Trucks29%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.9 mi (3 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-196 WB over US-31 NB built?

It was built in 1972, making it 53 years old in 2025.

What condition is I-196 WB over US-31 NB 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 I-196 WB over US-31 NB carry?

About 6,333 vehicles per day (2007 count), of which roughly 29% are trucks.

How long is I-196 WB over US-31 NB?

The structure is 248 ft (75.6 m) long with a longest span of 120 ft (36.6 m) and a deck 44 ft wide.

Who owns I-196 WB over US-31 NB?

It is owned by the State Highway Agency.