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Nearby Bridges in NBI 2021: 1


12 MILE ROAD over KALAMAZOO RIVER (Route: 0)
Num:1323x
Open: no restriction [A]
Built: 1925, Reconstructed: N/A [0000]
Historic: Bridge is on the NRHP. [1]

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Rough Distance: 0 Miles (0 Kilometers)

Bridge Type
Main Span(s): Concrete [1] Arch - Deck [11]
Approach Span(s): Other [00]
Deck: Not applicable [N] with Wearing Surface: Bituminous [6]
Bridge Dimensions
Length: 35 m = 114.8 ft
Main Spans: 2 at 17.6 m = 57.7 ft
Approach Spans: 0
Skew: 0
Width, Roadway: 6.3 m = 20.7 ft (2 Lanes) and Out-To-Out: 7.4 m = 24.3 ft for a 7.9 m = 25.9 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A
Location
Emmet [25920]: Calhoun County [025], Michigan [26]
Owned by County Highway Agency [02], DOT District: 5
EMMETT TWP SEC 25
Condition
Deck: Not Applicable [N]
Superstructure: Fair [5]
Substructure: Fair [5]
Loading
Design: MS 18 / HS 20 [5]
Operating: 51.3 metric ton = 56.4 tons (Load Factor(LF) [1])
Inventory: 30.7 metric ton = 33.8 tons (Load Factor(LF) [1])
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: Equal to present desirable criteria [8] and "Bridge with ""unknown"" foundation that has not been evaluated for scour. [U]"
Inspections
Date: September 1999 [999] and Frequency: 24
Future Work
Work Needed:
Bridge Detour: 1.1 km = 0.7 mi
Traffic
ADT: 968 (1995) and Trucks: 12%
Future ADT: 1732 (In 2023 )

Special Bridge Conditions Legend: R - Former location of relocated bridge. ! - At risk for demolition or destruction. X - Confirmed demolished or collapsed. S  - Dismantled and/or in storage. L -  Severe loss of historic integrity due to alteration.

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