US Bridges

Bach Road over Brookfield I/C Drain

Good

Huron County, Michigan · Sec 28-33 Brookfield Twp · Structure no. 000000000003569

Built
2008
17 years old
Condition
Good
inspected October 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
50 ft
1 main span
Daily traffic
160
2009 count
Owner
County
County Highway Agency

About this bridge

Bach Road over Brookfield I/C Drain is a prestressed concrete box beam or girders - multiple carrying Bach Road over Brookfield I/C Drain in Huron County, Michigan. It was built in 2008, so it is 17 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 160 vehicles a day, roughly 3% of them trucks, projected to reach 290 by 2029. The structure is 50 ft (15.2 m) long and 31 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Location

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CarriesBach Road
CrossesBrookfield I/C Drain
LocationSec 28-33 Brookfield Twp
RouteCounty Highway 0
CountyHuron County
StateMichigan
Coordinates43.68479, -83.31563
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 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 alignment6: Equal to present minimum criteria
Operating rating106.5 US tons
Inventory rating63.6 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length50 ft (15.2 m)
Longest span49 ft (14.8 m)
Deck width31 ft (9.5 m)
Roadway width29 ft (8.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic160 (2009)
Projected traffic290 by 2029
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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 Bach Road over Brookfield I/C Drain built?

It was built in 2008, making it 17 years old in 2025.

What condition is Bach Road over Brookfield I/C Drain 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 October 2023.

How much traffic does Bach Road over Brookfield I/C Drain carry?

About 160 vehicles per day (2009 count), of which roughly 3% are trucks.

How long is Bach Road over Brookfield I/C Drain?

The structure is 50 ft (15.2 m) long with a longest span of 49 ft (14.8 m) and a deck 31 ft wide.

Who owns Bach Road over Brookfield I/C Drain?

It is owned by the County Highway Agency.