68th Street over Thornapple River

Fair Condition59 years old6,293 vehicles/day

Location

StateMichigan
CountyKent
Location0.10 Mi E Of Thornapple R
Carries68th Street
CrossesThornapple River
Coordinates42.83998, -85.47709

Condition Ratings

Overall ConditionFair
Deck6 (Satisfactory)
Superstructure6 (Satisfactory)
Substructure6 (Satisfactory)
Channel/Waterway7 (Good)
Scour Critical3 — Scour critical

Physical Characteristics

MaterialPrestressed Concrete
DesignStringer/Multi-beam
Total Length233.9 ft (71.3 m)
Max Span78.1 ft (23.8 m)
Deck Width37.4 ft (11.4 m)
Deck Area812.8 sq m
Main Spans3
Year Built1967

Traffic

Avg Daily Traffic6,293 (2018)
Truck Traffic8%
Lanes On Bridge2

Inspection & Ownership

Last InspectionNovember 2023
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure Number000000000005015

Nearby Bridges