US Bridges

Coleman Road over Mcdonald Drain

Good

Isabella County, Michigan · 100 Ft E NW Sec 29 T16N R · Structure no. 000000000004293

Built
2013
12 years old
Condition
Good
inspected May 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
45 ft
1 main span
Daily traffic
693
2009 count
Owner
County
County Highway Agency

About this bridge

Coleman Road over Mcdonald Drain is a prestressed concrete box beam or girders - multiple carrying Coleman Road over Mcdonald Drain in Isabella County, Michigan. It was built in 2013, so it is 12 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 693 vehicles a day, roughly 4% of them trucks, projected to reach 934 by 2029. The structure is 45 ft (13.7 m) long and 35 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesColeman Road
CrossesMcdonald Drain
Location100 Ft E NW Sec 29 T16N R
RouteCounty Highway 3782
CountyIsabella County
StateMichigan
Coordinates43.75709, -84.70679
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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating79.3 US tons
Inventory rating60.4 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadGreater than HL 93
Structure length45 ft (13.7 m)
Longest span44 ft (13.3 m)
Deck width35 ft (10.7 m)
Roadway width32 ft (9.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic693 (2009)
Projected traffic934 by 2029
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 Coleman Road over Mcdonald Drain built?

It was built in 2013, making it 12 years old in 2025.

What condition is Coleman Road over Mcdonald 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 May 2024.

How much traffic does Coleman Road over Mcdonald Drain carry?

About 693 vehicles per day (2009 count), of which roughly 4% are trucks.

How long is Coleman Road over Mcdonald Drain?

The structure is 45 ft (13.7 m) long with a longest span of 44 ft (13.3 m) and a deck 35 ft wide.

Who owns Coleman Road over Mcdonald Drain?

It is owned by the County Highway Agency.