Bridge Type
Main Span(s): Steel [3] Stringer/Multi-beam or girder [02]
Approach Span(s): Other [00]
Deck: Concrete Cast-in-Place [1] with Wearing Surface: Monolithic Concrete (concurrently placed with structural deck) [1]
Bridge Dimensions
Length: 18.2 m = 59.7 ft
Main Spans: 2 at 8.8 m = 28.9 ft
Approach Spans: 0
Skew: 0
Width, Roadway: 6.1 m = 20.0 ft (2 Lanes) and Out-To-Out: 6.7 m = 22.0 ft for a 7.3 m = 24.0 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A
Location
Greenwood [35220]: St. Clair County [147], Michigan [26]
Owned by County Highway Agency [02], DOT District: 4
SEC. 12 GREENWOOD TWP.
Condition
Deck: Poor [4]
Superstructure: Fair [5]
Substructure: Poor [4]
Loading
Design: MS 18+Mod / HS 20+Mod [6]
Operating: 50.9 metric ton = 56.0 tons (Load Factor(LF) [1])
Inventory: 30.5 metric ton = 33.6 tons (Load Factor(LF) [1])
Appraisal
Structural: Meets minimum tolerable limits to be left in place as is [4]
Deck Geometry: Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Road Alignment: Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Waterway: Equal to present minimum criteria [6] and Bridge foundations determined to be stable for assessed or calculated scour condition. [5]
Inspections
Date: February 2021 [0221] and Frequency: 12
Future Work
Work Needed:
Bridge Detour: 0.3 km = 0.2 mi
Traffic
ADT: 60 (1994) and Trucks: 0%
Future ADT: 205 (In 2014
)
