US Bridges

Winn Road over Cedar Creek

Good

Isabella County, Michigan · 100 Ft S NW Cor Sec 27 T1 · Structure no. 000000000004300

Built
2003
22 years old
Condition
Good
inspected June 2024
Type
Culvert
Concrete
Length
20 ft
1 main span
Daily traffic
1,650
2002 count
Owner
County
County Highway Agency

About this bridge

Winn Road over Cedar Creek is a concrete culvert carrying Winn Road over Cedar Creek in Isabella County, Michigan. It was built in 2003, so it is 22 years old, younger than the Michigan average of 48.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 1,650 vehicles a day, roughly 6% of them trucks, projected to reach 2,975 by 2022. The structure is 20 ft (6.1 m) long. If it were closed, the detour would be 3.1 mi (5 km).

CarriesWinn Road
CrossesCedar Creek
Location100 Ft S NW Cor Sec 27 T1
RouteCounty Highway 3737
Coordinates43.49544, -84.90561
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20 + Mod
Structure length20 ft (6.1 m)
Longest span18 ft (5.5 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,650 (2002)
Projected traffic2,975 by 2022
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Winn Road over Cedar Creek built?

It was built in 2003, making it 22 years old in 2025.

What condition is Winn Road over Cedar Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in June 2024.

How much traffic does Winn Road over Cedar Creek carry?

About 1,650 vehicles per day (2002 count), of which roughly 6% are trucks.

How long is Winn Road over Cedar Creek?

The structure is 20 ft (6.1 m) long with a longest span of 18 ft (5.5 m).

Who owns Winn Road over Cedar Creek?

It is owned by the County Highway Agency.