US Bridges

Parson Road over N Br of Kalamazoo River

Good

Jackson County, Michigan · 1.4 MI East of Concord · Structure no. 000000000004524

Built
2006
19 years old
Condition
Good
inspected April 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
50 ft
1 main span
Daily traffic
726
2008 count
Owner
County
County Highway Agency

About this bridge

Parson Road over N Br of Kalamazoo River is a prestressed concrete box beam or girders - multiple carrying Parson Road over N Br of Kalamazoo River in Jackson County, Michigan. It was built in 2006, so it is 19 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 726 vehicles a day, projected to reach 886 by 2028. The structure is 50 ft (15.2 m) long and 31 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesParson Road
CrossesN Br of Kalamazoo River
Location1.4 MI East of Concord
RouteCounty Highway 0
Coordinates42.17658, -84.60864
Functional classRural Local

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 inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than 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 rating100.8 US tons
Inventory rating60.4 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length50 ft (15.2 m)
Longest span49 ft (14.8 m)
Deck width31 ft (9.5 m)
Roadway width29 ft (8.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic726 (2008)
Projected traffic886 by 2028
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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 Parson Road over N Br of Kalamazoo River built?

It was built in 2006, making it 19 years old in 2025.

What condition is Parson Road over N Br of Kalamazoo River 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 April 2024.

How much traffic does Parson Road over N Br of Kalamazoo River carry?

About 726 vehicles per day (2008 count).

How long is Parson Road over N Br of Kalamazoo River?

The structure is 50 ft (15.2 m) long with a longest span of 49 ft (14.8 m) and a deck 31 ft wide.

Who owns Parson Road over N Br of Kalamazoo River?

It is owned by the County Highway Agency.