US Bridges

Kinsel HWY over Shanty Brook

Good

Eaton County, Michigan · 1 MI S of Vermontville · Structure no. 000000000002406

Built
1983
42 years old
Condition
Good
inspected May 2023
Type
Slab
Wood or Timber
Length
40 ft
2 main spans
Daily traffic
104
2011 count
Owner
County
County Highway Agency

About this bridge

Kinsel HWY over Shanty Brook is a wood or timber slab carrying Kinsel HWY over Shanty Brook in Eaton County, Michigan. It was built in 1983, so it is 42 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 104 vehicles a day, projected to reach 240 by 2013. The structure is 40 ft (12.2 m) long and 31 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesKinsel HWY
CrossesShanty Brook
Location1 MI S of Vermontville
RouteCounty Highway 0
Coordinates42.59656, -85.02322
Functional classRural Local

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.9 US tons
Inventory rating40 US tons

Structure

Structure typeSlab
MaterialWood or Timber
DeckWood or timber
Main spans2
Design loadHS 20 + Mod
Structure length40 ft (12.2 m)
Longest span20 ft (6.1 m)
Deck width31 ft (9.6 m)
Roadway width30 ft (9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic104 (2011)
Projected traffic240 by 2013
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 Kinsel HWY over Shanty Brook built?

It was built in 1983, making it 42 years old in 2025.

What condition is Kinsel HWY over Shanty Brook 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 May 2023.

How much traffic does Kinsel HWY over Shanty Brook carry?

About 104 vehicles per day (2011 count).

How long is Kinsel HWY over Shanty Brook?

The structure is 40 ft (12.2 m) long with a longest span of 20 ft (6.1 m) and a deck 31 ft wide.

Who owns Kinsel HWY over Shanty Brook?

It is owned by the County Highway Agency.