Bird Road over Shiawassee River

Fair Condition90 years old172 vehicles/day

Location

StateMichigan
CountyGenesee
LocationBet Silver Lake & Rolston
CarriesBird Road
CrossesShiawassee River
Coordinates42.80868, -83.87519

Condition Ratings

Overall ConditionFair
Deck6 (Satisfactory)
Superstructure6 (Satisfactory)
Substructure7 (Good)
Channel/Waterway5 (Fair)
Scour Critical3 — Scour critical

Physical Characteristics

MaterialSteel
DesignStringer/Multi-beam
Total Length35.8 ft (10.9 m)
Max Span34.8 ft (10.6 m)
Deck Width33.1 ft (10.1 m)
Deck Area110.1 sq m
Main Spans1
Year Built1936

Traffic

Avg Daily Traffic172 (2009)
Truck Traffic2%
Lanes On Bridge2

Inspection & Ownership

Last InspectionNovember 2024
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure Number000000000002763

Nearby Bridges