US Bridges

Valley HWY over Shanty Brook

Fair

Eaton County, Michigan · 2 MI S of Vermontville · Structure no. 000000000002404

Built
1984
41 years old
Condition
Fair
inspected May 2023
Type
Slab
Wood or Timber
Length
24 ft
1 main span
Daily traffic
72
2010 count
Owner
County
County Highway Agency

About this bridge

Valley HWY over Shanty Brook is a wood or timber slab carrying Valley HWY over Shanty Brook in Eaton County, Michigan. It was built in 1984, so it is 41 years old, younger 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 72 vehicles a day, projected to reach 180 by 2013. The structure is 24 ft (7.3 m) long and 27 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesValley HWY
CrossesShanty Brook
Location2 MI S of Vermontville
RouteCounty Highway 0
CountyEaton County
StateMichigan
Coordinates42.58152, -85.02176
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.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to 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 rating43.5 US tons
Inventory rating35.4 US tons

Structure

Structure typeSlab
MaterialWood or Timber
DeckWood or timber
Main spans1
Design loadHS 20 + Mod
Structure length24 ft (7.3 m)
Longest span22 ft (6.7 m)
Deck width27 ft (8.3 m)
Roadway width26 ft (8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic72 (2010)
Projected traffic180 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 Valley HWY over Shanty Brook built?

It was built in 1984, making it 41 years old in 2025.

What condition is Valley HWY over Shanty Brook 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 Valley HWY over Shanty Brook carry?

About 72 vehicles per day (2010 count).

How long is Valley HWY over Shanty Brook?

The structure is 24 ft (7.3 m) long with a longest span of 22 ft (6.7 m) and a deck 27 ft wide.

Who owns Valley HWY over Shanty Brook?

It is owned by the County Highway Agency.