US Bridges

CR 687 over S Br Black River

Fair

Van Buren County, Michigan · 0.6 MI North of CR 380 · Structure no. 000000000010747

Built
1965
60 years old
Condition
Fair
inspected April 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
70 ft
1 main span
Daily traffic
721
2004 count
Owner
County
County Highway Agency

About this bridge

CR 687 over S Br Black River is a steel stringer/multi-beam or girder carrying CR 687 over S Br Black River in Van Buren County, Michigan. It was built in 1965, so it is 60 years old, older 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 5 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 721 vehicles a day, roughly 2% of them trucks, projected to reach 1,165 by 2034. The structure is 70 ft (21.3 m) long and 30 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesCR 687
CrossesS Br Black River
Location0.6 MI North of CR 380
RouteCounty Highway 8025
Coordinates42.35434, -86.18757
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating74 US tons
Inventory rating44.3 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length70 ft (21.3 m)
Longest span66 ft (20.1 m)
Deck width30 ft (9.1 m)
Roadway width29 ft (8.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic721 (2004)
Projected traffic1,165 by 2034
Trucks2%
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 1965, making it 60 years old in 2025.

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

About 721 vehicles per day (2004 count), of which roughly 2% are trucks.

How long is CR 687 over S Br Black River?

The structure is 70 ft (21.3 m) long with a longest span of 66 ft (20.1 m) and a deck 30 ft wide.

Who owns CR 687 over S Br Black River?

It is owned by the County Highway Agency.