US Bridges

CR 687 over S Br Black River

Good

Van Buren County, Michigan · 0.25 MI N of M-43 · Structure no. 000000000010746

Built
1999
26 years old
Condition
Good
inspected April 2024
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete
Length
90 ft
1 main span
Daily traffic
1,950
2000 count
Owner
County
County Highway Agency

About this bridge

CR 687 over S Br Black River is a prestressed concrete box beam or girders - single or spread carrying CR 687 over S Br Black River in Van Buren County, Michigan. It was built in 1999, so it is 26 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 1,950 vehicles a day, projected to reach 2,800 by 2020. The structure is 90 ft (27.5 m) long and 38 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesCR 687
CrossesS Br Black River
Location0.25 MI N of M-43
RouteCounty Highway 0
Coordinates42.33074, -86.14823
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating107.1 US tons
Inventory rating85.3 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 25 or greater
Structure length90 ft (27.5 m)
Longest span86 ft (26.3 m)
Deck width38 ft (11.6 m)
Roadway width35 ft (10.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,950 (2000)
Projected traffic2,800 by 2020
Trucks0%
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 CR 687 over S Br Black River built?

It was built in 1999, making it 26 years old in 2025.

What condition is CR 687 over S Br Black 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 CR 687 over S Br Black River carry?

About 1,950 vehicles per day (2000 count).

How long is CR 687 over S Br Black River?

The structure is 90 ft (27.5 m) long with a longest span of 86 ft (26.3 m) and a deck 38 ft wide.

Who owns CR 687 over S Br Black River?

It is owned by the County Highway Agency.