US Bridges

I-196 E & US-31 N over 71 ST Street

Fair

Allegan County, Michigan · 3.0 MI N of Van Buren Col · Structure no. 000000000000107

Built
1963
62 years old
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
126 ft
3 main spans
Daily traffic
10,500
2010 count
Owner
State
State Highway Agency

About this bridge

I-196 E & US-31 N over 71 ST Street is a prestressed concrete stringer/multi-beam or girder carrying I-196 E & US-31 N over 71 ST Street in Allegan County, Michigan. It was built in 1963, so it is 62 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 10,500 vehicles a day, roughly 22% of them trucks, projected to reach 12,850 by 2030. The structure is 126 ft (38.4 m) long and 43 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI-196 E & US-31 N
Crosses71 ST Street
Location3.0 MI N of Van Buren Col
RouteInterstate 196
Coordinates42.4558, -86.23514
Functional classRural 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 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating62.8 US tons
Inventory rating37.5 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length126 ft (38.4 m)
Longest span47 ft (14.3 m)
Deck width43 ft (13.1 m)
Roadway width39 ft (12 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,500 (2010)
Projected traffic12,850 by 2030
Trucks22%
Lanes on structure2
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 proposedDeck replacement with only incidental widening
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-196 E & US-31 N over 71 ST Street built?

It was built in 1963, making it 62 years old in 2025.

What condition is I-196 E & US-31 N over 71 ST Street 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 2023.

How much traffic does I-196 E & US-31 N over 71 ST Street carry?

About 10,500 vehicles per day (2010 count), of which roughly 22% are trucks.

How long is I-196 E & US-31 N over 71 ST Street?

The structure is 126 ft (38.4 m) long with a longest span of 47 ft (14.3 m) and a deck 43 ft wide.

Who owns I-196 E & US-31 N over 71 ST Street?

It is owned by the State Highway Agency.