Bridge Type
Main Span(s): Prestressed concrete [5] Box beam or girders - Multiple [05]
Approach Span(s): Other [00]
Deck: Concrete Cast-in-Place [1] with Wearing Surface: Bituminous [6]
Bridge Dimensions
Length: 42 m = 137.8 ft
Main Spans: 3 at 13.7 m = 44.9 ft
Approach Spans: 0
Skew: 5
Width, Roadway: 7.9 m = 25.9 ft (2 Lanes) and Out-To-Out: 10.1 m = 33.1 ft for a 9.1 m = 29.9 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A
Location
Green Oak [35060]: Livingston County [093], Michigan [26]
Owned by County Highway Agency [02], DOT District: 6
SEC 32 GREEN OAK TWP
Condition
Deck: Satisfactory [6]
Superstructure: Fair [5]
Substructure: Satisfactory [6]
Loading
Design: MS 18+Mod / HS 20+Mod [6]
Operating: 49.1 metric ton = 54.0 tons (Allowable Stress(AS) [2])
Inventory: 28.2 metric ton = 31.0 tons (Allowable Stress(AS) [2])
Appraisal
Structural: Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Deck Geometry: Basically intolerable requiring high priority of corrrective action [3]
Road Alignment: Equal to present desirable criteria [8]
Waterway: N/A [N] and Bridge not over waterway. [N]
Inspections
Date: July 1999 [799] and Frequency: 24
Future Work
Work Needed:
Bridge Detour: 0.5 km = 0.3 mi
Traffic
ADT: 2650 (2013) and Trucks: 0%
Future ADT: 8328 (In 2020
)