US Bridges

King Road over N Branch Kalamazoo River

FairPosted for load

Jackson County, Michigan · 2.3 Miles North Concord · Structure no. 000000000004473

Built
1987
38 years old
Condition
Fair
inspected April 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
44 ft
1 main span
Daily traffic
590
2003 count
Owner
County
County Highway Agency

About this bridge

King Road over N Branch Kalamazoo River is a prestressed concrete box beam or girders - multiple carrying King Road over N Branch Kalamazoo River in Jackson County, Michigan. It was built in 1987, so it is 38 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. Its operating status is: posted for load restriction.

It carries about 590 vehicles a day, projected to reach 650 by 2010. The structure is 44 ft (13.4 m) long and 34 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesKing Road
CrossesN Branch Kalamazoo River
Location2.3 Miles North Concord
RouteCounty Highway 0
CountyJackson County
StateMichigan
Coordinates42.21428, -84.66508
Functional classRural Minor 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.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating49.3 US tons
Inventory rating29.7 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length44 ft (13.4 m)
Longest span44 ft (13.4 m)
Deck width34 ft (10.4 m)
Roadway width31 ft (9.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic590 (2003)
Projected traffic650 by 2010
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 King Road over N Branch Kalamazoo River built?

It was built in 1987, making it 38 years old in 2025.

What condition is King Road over N Branch Kalamazoo 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 April 2024.

How much traffic does King Road over N Branch Kalamazoo River carry?

About 590 vehicles per day (2003 count).

How long is King Road over N Branch Kalamazoo River?

The structure is 44 ft (13.4 m) long with a longest span of 44 ft (13.4 m) and a deck 34 ft wide.

Who owns King Road over N Branch Kalamazoo River?

It is owned by the County Highway Agency.