US Bridges

106 TH Ave over US-131

Fair

Allegan County, Michigan · 1.0 MI NW of Plainwell · Structure no. 000000000000151

Built
1960
65 years old, rebuilt 2011
Condition
Fair
inspected June 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
185 ft
4 main spans
Daily traffic
2,548
1994 count
Owner
State
State Highway Agency

About this bridge

106 TH Ave over US-131 is a prestressed concrete stringer/multi-beam or girder carrying 106 TH Ave over US-131 in Allegan County, Michigan. It was built in 1960 and reconstructed in 2011, so it is 65 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 2,548 vehicles a day, roughly 3% of them trucks, projected to reach 2,930 by 2014. The structure is 185 ft (56.5 m) long and 33 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Carries106 TH Ave
CrossesUS-131
Location1.0 MI NW of Plainwell
RouteCounty Highway 312
Coordinates42.4644, -85.65257
Functional classRural Major 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.
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 2023
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 geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating75.7 US tons
Inventory rating45.3 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length185 ft (56.5 m)
Longest span58 ft (17.8 m)
Deck width33 ft (10.1 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,548 (1994)
Projected traffic2,930 by 2014
Trucks3%
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 106 TH Ave over US-131 built?

It was built in 1960, making it 65 years old in 2025. It was reconstructed in 2011.

What condition is 106 TH Ave over US-131 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 2023.

How much traffic does 106 TH Ave over US-131 carry?

About 2,548 vehicles per day (1994 count), of which roughly 3% are trucks.

How long is 106 TH Ave over US-131?

The structure is 185 ft (56.5 m) long with a longest span of 58 ft (17.8 m) and a deck 33 ft wide.

Who owns 106 TH Ave over US-131?

It is owned by the State Highway Agency.