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: Bituminous [6]
Bridge Dimensions
Length: 13.7 m = 44.9 ft
Main Spans: 1 at 13.7 m = 44.9 ft
Approach Spans: 0
Skew: 0
Width, Roadway: 7.6 m = 24.9 ft (2 Lanes) and Out-To-Out: 8.6 m = 28.2 ft for a 10.4 m = 34.1 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A
Location
Hopkins [39200]: Allegan County [005], Michigan [26]
Owned by County Highway Agency [02], DOT District: 3
APPROX 1/4 MI N OF 130TH
Condition
Deck: Satisfactory [6]
Superstructure: Satisfactory [6]
Substructure: Fair [5]
Loading
Design: MS 18+Mod / HS 20+Mod [6]
Operating: 36.3 metric ton = 39.9 tons (Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading [6])
Inventory: 21.7 metric ton = 23.9 tons (Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading [6])
Appraisal
Structural: Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Deck Geometry: Meets minimum tolerable limits to be left in place as is [4]
Road Alignment: Better than present minimum criteria [7]
Waterway: Somewhat better than minimum adequacy to tolerate being left in place as is [5] and Bridge is scour critical; bridge foundations determined to be unstable. [3]
Inspections
Date: October 1999 [1099] and Frequency: 24
Future Work
Work Needed:
Bridge Detour: 0.5 km = 0.3 mi
Traffic
ADT: 1984 (2003) and Trucks: 7%
Future ADT: 3968 (In 2023
)