US Bridges

Hodunk Road over Coldwater River

Poor

Branch County, Michigan · Girard Twp Sec 30 · Structure no. 000000000001162

Built
1985
40 years old
Condition
Poor
inspected October 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
75 ft
1 main span
Daily traffic
325
2004 count
Owner
County
County Highway Agency

About this bridge

Hodunk Road over Coldwater River is a prestressed concrete box beam or girders - multiple carrying Hodunk Road over Coldwater River in Branch County, Michigan. It was built in 1985, so it is 40 years old, younger than the Michigan average of 48.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 325 vehicles a day, roughly 6% of them trucks, projected to reach 361 by 2024. The structure is 75 ft (22.8 m) long and 34 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesHodunk Road
CrossesColdwater River
LocationGirard Twp Sec 30
RouteCounty Highway 0
Coordinates42.01368, -85.06139
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating78.9 US tons
Inventory rating47.3 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20 + Mod
Structure length75 ft (22.8 m)
Longest span73 ft (22.4 m)
Deck width34 ft (10.5 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic325 (2004)
Projected traffic361 by 2024
Trucks6%
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 Hodunk Road over Coldwater River built?

It was built in 1985, making it 40 years old in 2025.

What condition is Hodunk Road over Coldwater River in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in October 2024.

How much traffic does Hodunk Road over Coldwater River carry?

About 325 vehicles per day (2004 count), of which roughly 6% are trucks.

How long is Hodunk Road over Coldwater River?

The structure is 75 ft (22.8 m) long with a longest span of 73 ft (22.4 m) and a deck 34 ft wide.

Who owns Hodunk Road over Coldwater River?

It is owned by the County Highway Agency.