US Bridges

Winters RD over I-75 SB

Fair

Otsego County, Michigan · 6.1 MI N of M-32 · Structure no. 000000000008680

Built
1962
63 years old
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
146 ft
3 main spans
Daily traffic
90
1988 count
Owner
State
State Highway Agency

About this bridge

Winters RD over I-75 SB is a steel stringer/multi-beam or girder carrying Winters RD over I-75 SB in Otsego County, Michigan. It was built in 1962, so it is 63 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 90 vehicles a day, projected to reach 50 by 1989. The structure is 146 ft (44.5 m) long and 31 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesWinters RD
CrossesI-75 SB
Location6.1 MI N of M-32
RouteCounty Highway 0
CountyOtsego County
StateMichigan
Coordinates45.11389, -84.6848
Functional classRural Local

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.
Substructure7 GoodSome minor problems.
Last inspectionSeptember 2024
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 alignment7: Better than present minimum criteria
Operating rating66.8 US tons
Inventory rating40 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length146 ft (44.5 m)
Longest span61 ft (18.7 m)
Deck width31 ft (9.4 m)
Roadway width27 ft (8.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic90 (1988)
Projected traffic50 by 1989
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed6.2 mi (10 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 proposedDeck replacement with only incidental widening
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Winters RD over I-75 SB built?

It was built in 1962, making it 63 years old in 2025.

What condition is Winters RD over I-75 SB 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 September 2024.

How much traffic does Winters RD over I-75 SB carry?

About 90 vehicles per day (1988 count).

How long is Winters RD over I-75 SB?

The structure is 146 ft (44.5 m) long with a longest span of 61 ft (18.7 m) and a deck 31 ft wide.

Who owns Winters RD over I-75 SB?

It is owned by the State Highway Agency.