18TH STREET over RABBIT RIVER (Route: 371)
Num:205x
Posted for load [P]
Built: 1929, Reconstructed: N/A [0000]
Historic: Bridge is not eligible for the NRHP. [5]

Google Streetview (If Available)

Rough Distance: 0 Miles (0 Kilometers)

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 )

130TH AVE over RABBIT RIVER (Route: 0)
Num:254x
Posted for load [P]
Built: 1971, Reconstructed: N/A [0000]
Historic: Bridge is not eligible for the NRHP. [5]

Google Streetview (If Available)

Rough Distance: 0.4 Miles (0.7 Kilometers)

Bridge Type
Main Span(s): Wood or timber [7] Slab [01]
Approach Span(s): Other [00]
Deck: Wood or Timber [8] with Wearing Surface: Bituminous [6]

Bridge Dimensions
Length: 23.7 m = 77.8 ft
Main Spans: 3 at 7.9 m = 25.9 ft
Approach Spans: 0
Skew: 35
Width, Roadway: 8.5 m = 27.9 ft (2 Lanes) and Out-To-Out: 8.9 m = 29.2 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
Hopkins [39200]: Allegan County [005], Michigan [26]
Owned by County Highway Agency [02], DOT District: 3
APPROX 0.25 MI W OF 18TH

Condition
Deck: Poor [4]
Superstructure: Poor [4]
Substructure: Satisfactory [6]
Loading
Design: MS 18+Mod / HS 20+Mod [6]
Operating: 30.1 metric ton = 33.1 tons (Allowable Stress (AS) rating reported by rating factor (RF) method using MS18 loading [7])
Inventory: 20.4 metric ton = 22.4 tons (Allowable Stress (AS) rating reported by rating factor (RF) method using MS18 loading [7])

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: Equal to present desirable criteria [8]
Waterway: Equal to present minimum criteria [6] and Bridge foundations determined to be stable for assessed or calculated scour condition. [5]
Inspections
Date: May 2020 [0520] and Frequency: 12

Future Work
Work Needed:
Bridge Detour: 0.3 km = 0.2 mi
Traffic
ADT: 682 (2002) and Trucks: 7%
Future ADT: 1364 (In 2022 )