66th Street over N Br Black River

Fair Condition53 years old396 vehicles/day

Location

StateMichigan
CountyAllegan
LocationApprox 0.75 Mi N Of 109th
Carries66th Street
CrossesN Br Black River
Coordinates42.49500, -86.18781

Condition Ratings

Overall ConditionFair
Deck7 (Good)
Superstructure6 (Satisfactory)
Substructure6 (Satisfactory)
Channel/Waterway6 (Satisfactory)
Scour Critical5 — Stable for scour

Physical Characteristics

MaterialPrestressed Concrete
DesignBox Beam - Multiple
Total Length63.0 ft (19.2 m)
Max Span30.8 ft (9.4 m)
Deck Width30.5 ft (9.3 m)
Deck Area178.6 sq m
Main Spans2
Year Built1973

Traffic

Avg Daily Traffic396 (2017)
Truck Traffic7%
Lanes On Bridge2

Inspection & Ownership

Last Inspection523
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure Number000000000000221

Nearby Bridges

111th AVE over N Br Of Black River 0.3 mi Good 109 TH AVE over N Br Of Black River 1.0 mi Good 113th AVE over N Br Of Black River 1.3 mi Good 68th Street over N Br Of Black River 1.6 mi Poor 109 TH AVE over I-196 & Us-31 1.9 mi Fair 107th AVE over N Br Black River 2.1 mi Fair 64th Street over N Br Of Black River 2.3 mi Poor 114 TH AVE over I-196 & Us-31 2.3 mi Fair 107 TH AVE over I-196 & Us-31 2.5 mi Fair Old Us-31 over I-196 & Us-31 2.9 mi Fair