US Bridges

Herring Road over ST Joseph River

Fair

Hillsdale County, Michigan · 0.2 Mile W of Cronk RD · Structure no. 000000000003339

Built
2002
23 years old
Condition
Fair
inspected November 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
63 ft
1 main span
Daily traffic
1,673
2013 count
Owner
County
County Highway Agency

About this bridge

Herring Road over ST Joseph River is a prestressed concrete box beam or girders - multiple carrying Herring Road over ST Joseph River in Hillsdale County, Michigan. It was built in 2002, so it is 23 years old, younger 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.

It carries about 1,673 vehicles a day, roughly 15% of them trucks, projected to reach 2,745 by 2038. The structure is 63 ft (19.2 m) long and 31 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesHerring Road
CrossesST Joseph River
Location0.2 Mile W of Cronk RD
RouteCounty Highway 0
CountyHillsdale County
StateMichigan
Coordinates42.02908, -84.73296
Functional classRural Major Collector

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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating109.1 US tons
Inventory rating66.8 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length63 ft (19.2 m)
Longest span63 ft (19.2 m)
Deck width31 ft (9.5 m)
Roadway width31 ft (9.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,673 (2013)
Projected traffic2,745 by 2038
Trucks15%
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 Herring Road over ST Joseph River built?

It was built in 2002, making it 23 years old in 2025.

What condition is Herring Road over ST Joseph River 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 November 2024.

How much traffic does Herring Road over ST Joseph River carry?

About 1,673 vehicles per day (2013 count), of which roughly 15% are trucks.

How long is Herring Road over ST Joseph River?

The structure is 63 ft (19.2 m) long with a longest span of 63 ft (19.2 m) and a deck 31 ft wide.

Who owns Herring Road over ST Joseph River?

It is owned by the County Highway Agency.