US Bridges

56 TH Street over I-196

Fair

Allegan County, Michigan · 3.9 MI SW of Ottawa Col · Structure no. 000000000000130

Built
1972
53 years old
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
253 ft
2 main spans
Daily traffic
1,819
1997 count
Owner
State
State Highway Agency

About this bridge

56 TH Street over I-196 is a steel continuous stringer/multi-beam or girder carrying 56 TH Street over I-196 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 1,819 vehicles a day, roughly 2% of them trucks, projected to reach 2,092 by 2017. The structure is 253 ft (77.1 m) long and 45 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Carries56 TH Street
CrossesI-196
Location3.9 MI SW of Ottawa Col
RouteCounty Highway 0
Coordinates42.73676, -86.096
Functional classUrban Collector

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.
Superstructure7 GoodSome minor problems.
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 geometry7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating70 US tons
Inventory rating41.8 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadH 20
Structure length253 ft (77.1 m)
Longest span124 ft (37.9 m)
Deck width45 ft (13.6 m)
Roadway width40 ft (12.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,819 (1997)
Projected traffic2,092 by 2017
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

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 56 TH Street over I-196 built?

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

What condition is 56 TH Street over I-196 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 56 TH Street over I-196 carry?

About 1,819 vehicles per day (1997 count), of which roughly 2% are trucks.

How long is 56 TH Street over I-196?

The structure is 253 ft (77.1 m) long with a longest span of 124 ft (37.9 m) and a deck 45 ft wide.

Who owns 56 TH Street over I-196?

It is owned by the State Highway Agency.