US Bridges

Michigan Road over County Drain #33

Good

Branch County, Michigan · Coldwater Twp Sec 2-3 · Structure no. 000000000001144

Built
1981
44 years old
Condition
Good
inspected October 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
42 ft
1 main span
Daily traffic
522
2004 count
Owner
County
County Highway Agency

About this bridge

Michigan Road over County Drain #33 is a prestressed concrete box beam or girders - multiple carrying Michigan Road over County Drain #33 in Branch County, Michigan. It was built in 1981, so it is 44 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 522 vehicles a day, roughly 4% of them trucks, projected to reach 944 by 2024. The structure is 42 ft (12.8 m) long and 34 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesMichigan Road
CrossesCounty Drain #33
LocationColdwater Twp Sec 2-3
RouteCounty Highway 0
Coordinates41.97961, -84.98126
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
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 rating60.1 US tons
Inventory rating36 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length42 ft (12.8 m)
Longest span41 ft (12.5 m)
Deck width34 ft (10.5 m)
Roadway width33 ft (10.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic522 (2004)
Projected traffic944 by 2024
Trucks4%
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 Michigan Road over County Drain #33 built?

It was built in 1981, making it 44 years old in 2025.

What condition is Michigan Road over County Drain #33 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 2024.

How much traffic does Michigan Road over County Drain #33 carry?

About 522 vehicles per day (2004 count), of which roughly 4% are trucks.

How long is Michigan Road over County Drain #33?

The structure is 42 ft (12.8 m) long with a longest span of 41 ft (12.5 m) and a deck 34 ft wide.

Who owns Michigan Road over County Drain #33?

It is owned by the County Highway Agency.