US Bridges

Bach Road over Kemp Drain

FairPosted for load

Huron County, Michigan · Sec. 29-32 Sebewaing Twp. · Structure no. 000000000003646

Built
1931
94 years old
Condition
Fair
inspected September 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
24 ft
1 main span
Daily traffic
110
2009 count
Owner
County
County Highway Agency

About this bridge

Bach Road over Kemp Drain is a steel stringer/multi-beam or girder carrying Bach Road over Kemp Drain in Huron County, Michigan. It was built in 1931, so it is 94 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. Its operating status is: posted for load restriction.

It carries about 110 vehicles a day, roughly 1% of them trucks, projected to reach 200 by 2029. The structure is 24 ft (7.3 m) long and 20 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Location

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CarriesBach Road
CrossesKemp Drain
LocationSec. 29-32 Sebewaing Twp.
RouteCounty Highway 0
CountyHuron County
StateMichigan
Coordinates43.68271, -83.43578
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating47.8 US tons
Inventory rating28.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length24 ft (7.3 m)
Longest span22 ft (6.8 m)
Deck width20 ft (6.2 m)
Roadway width20 ft (6.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic110 (2009)
Projected traffic200 by 2029
Trucks1%
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 Kemp Drain built?

It was built in 1931, making it 94 years old in 2025.

What condition is Bach Road over Kemp Drain 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 2023.

How much traffic does Bach Road over Kemp Drain carry?

About 110 vehicles per day (2009 count), of which roughly 1% are trucks.

How long is Bach Road over Kemp Drain?

The structure is 24 ft (7.3 m) long with a longest span of 22 ft (6.8 m) and a deck 20 ft wide.

Who owns Bach Road over Kemp Drain?

It is owned by the County Highway Agency.