US Bridges

Second Street over Black River

FairPosted for load

Van Buren County, Michigan · City of Bangor · Structure no. 000000000010799

Built
1971
54 years old
Condition
Fair
inspected October 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
46 ft
1 main span
Daily traffic
680
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

Second Street over Black River is a prestressed concrete box beam or girders - multiple carrying Second Street over Black River in Van Buren County, Michigan. It was built in 1971, so it is 54 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. Its operating status is: posted for load restriction.

It carries about 680 vehicles a day, roughly 1% of them trucks, projected to reach 830 by 2042. The structure is 46 ft (14 m) long and 32 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesSecond Street
CrossesBlack River
LocationCity of Bangor
RouteCity Street 0
Coordinates42.31636, -86.11284
Functional classRural Local

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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36.8 US tons
Inventory rating22.2 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20 + Mod
Structure length46 ft (14 m)
Longest span43 ft (13.1 m)
Deck width32 ft (9.7 m)
Roadway width26 ft (7.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic680 (2022)
Projected traffic830 by 2042
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$250 million (2017 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Second Street over Black River built?

It was built in 1971, making it 54 years old in 2025.

What condition is Second Street over 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 October 2024.

How much traffic does Second Street over Black River carry?

About 680 vehicles per day (2022 count), of which roughly 1% are trucks.

How long is Second Street over Black River?

The structure is 46 ft (14 m) long with a longest span of 43 ft (13.1 m) and a deck 32 ft wide.

Who owns Second Street over Black River?

It is owned by the City or Municipal Highway Agency.