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: 12 m = 39.4 ft
Main Spans: 1 at 12 m = 39.4 ft
Approach Spans: 0
Skew: 6
Width, Roadway: 14 m = 45.9 ft (3 Lanes) and Out-To-Out: 20 m = 65.6 ft for a 14 m = 45.9 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A
Location
Jackson [41420]: Jackson County [075], Michigan [26]
Owned by City or Municipal Highway Agency [04], DOT District: 6
400 FT E OF N JACKSON ST
Condition
Deck: Poor [4]
Superstructure: Serious [3]
Substructure: Satisfactory [6]
Loading
Design: MS 18 / HS 20 [5]
Operating: 37.9 metric ton = 41.7 tons (Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading [6])
Inventory: 22.7 metric ton = 25.0 tons (Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading [6])
Appraisal
Structural: Basically intolerable requiring high priority of corrrective action [3]
Deck Geometry: Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Road Alignment: Equal to present desirable criteria [8]
Waterway: Equal to present desirable criteria [8] and Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Inspections
Date: October 2020 [1020] and Frequency: 12
Future Work
Work Needed: Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Bridge Detour: 0.2 km = 0.1 mi
Traffic
ADT: 11402 (2010) and Trucks: 3%
Future ADT: 15357 (In 2030
)