US Bridges

CR 668 over Br of Dowagiac Creek

Good

Van Buren County, Michigan · 1.0 MI S of Decatur · Structure no. 000000000010751

Built
1961
64 years old, rebuilt 2008
Condition
Good
inspected April 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
40 ft
1 main span
Daily traffic
1,467
2015 count
Owner
County
County Highway Agency

About this bridge

CR 668 over Br of Dowagiac Creek is a prestressed concrete box beam or girders - multiple carrying CR 668 over Br of Dowagiac Creek in Van Buren County, Michigan. It was built in 1961 and reconstructed in 2008, so it is 64 years old, older 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 1,467 vehicles a day, roughly 2% of them trucks, projected to reach 1,975 by 2035. The structure is 40 ft (12.2 m) long and 37 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesCR 668
CrossesBr of Dowagiac Creek
Location1.0 MI S of Decatur
RouteCounty Highway 8061
Coordinates42.08612, -85.97314
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating103.6 US tons
Inventory rating62.2 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length40 ft (12.2 m)
Longest span35 ft (10.8 m)
Deck width37 ft (11.4 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,467 (2015)
Projected traffic1,975 by 2035
Trucks2%
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 CR 668 over Br of Dowagiac Creek built?

It was built in 1961, making it 64 years old in 2025. It was reconstructed in 2008.

What condition is CR 668 over Br of Dowagiac Creek 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 CR 668 over Br of Dowagiac Creek carry?

About 1,467 vehicles per day (2015 count), of which roughly 2% are trucks.

How long is CR 668 over Br of Dowagiac Creek?

The structure is 40 ft (12.2 m) long with a longest span of 35 ft (10.8 m) and a deck 37 ft wide.

Who owns CR 668 over Br of Dowagiac Creek?

It is owned by the County Highway Agency.