WACOUSTA ROAD over LOOKING GLASS RIVER (Route: 0)
Num:1921x
Open: no restriction [A]
Built: 1955, 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: 27.4 m = 89.9 ft
Main Spans: 2 at 13.1 m = 43.0 ft
Approach Spans: 0
Skew: 0
Width, Roadway: 9.4 m = 30.8 ft (2 Lanes) and Out-To-Out: 10.4 m = 34.1 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
Wacousta [82680]: Clinton County [037], Michigan [26]
Owned by County Highway Agency [02], DOT District: 6
1/4 MI N OF CORRISON RD

Condition
Deck: Good [7]
Superstructure: Fair [5]
Substructure: Good [7]
Loading
Design: MS 18 / HS 20 [5]
Operating: 40.4 metric ton = 44.4 tons (Load Factor(LF) [1])
Inventory: 24.3 metric ton = 26.7 tons (Load Factor(LF) [1])

Appraisal
Structural: Somewhat better than minimum adequacy to tolerate being left in place as is [5]
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 assessed or calculated scour condition. [5]
Inspections
Date: October 2020 [1020] and Frequency: 24

Future Work
Work Needed:
Bridge Detour: 1.1 km = 0.7 mi
Traffic
ADT: 1821 (2014) and Trucks: 5%
Future ADT: 3290 (In 2033 )

HERBISON ROAD over LOOKING GLASS RIVER (Route: 0)
Num:2020x
Posted for load [P]
Built: 1985, Reconstructed: N/A [0000]
Historic: Bridge is not eligible for the NRHP. [5]

Google Streetview (If Available)

Rough Distance: 0.5 Miles (0.8 Kilometers)

Bridge Type
Main Span(s): Prestressed concrete [5] Box beam or girders - Multiple [05]
Approach Span(s): Other [00]
Deck: Concrete Precast Panels [2] with Wearing Surface: Bituminous [6]

Bridge Dimensions
Length: 31.7 m = 104.0 ft
Main Spans: 2 at 15.5 m = 50.9 ft
Approach Spans: 0
Skew: 20
Width, Roadway: 10.7 m = 35.1 ft (2 Lanes) and Out-To-Out: 11.3 m = 37.1 ft for a 8.5 m = 27.9 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A

Location
Watertown [84400]: Clinton County [037], Michigan [26]
Owned by County Highway Agency [02], DOT District: 6
0.2 MI E OF WACOUSTA RD

Condition
Deck: Critical [2]
Superstructure: Critical [2]
Substructure: Good [7]
Loading
Design: MS 18 / HS 20 [5]
Operating: 18.8 metric ton = 20.7 tons (Load and Resistance Factor Rating (LRFR) rating reported by rating factor (RF) method using HL-93 loadings [8])
Inventory: 14.6 metric ton = 16.1 tons (Load and Resistance Factor Rating (LRFR) rating reported by rating factor (RF) method using HL-93 loadings [8])

Appraisal
Structural: Basically intolerable requiring high priority of replacement [2]
Deck Geometry: Equal to present minimum criteria [6]
Road Alignment: Equal to present minimum criteria [6]
Waterway: Equal to present minimum criteria [6] and Bridge foundations determined to be stable for assessed or calculated scour condition. [5]
Inspections
Date: October 2020 [1020] and Frequency: 12

Future Work
Work Needed:
Bridge Detour: 0.6 km = 0.4 mi
Traffic
ADT: 767 (2004) and Trucks: 0%
Future ADT: 1385 (In 2024 )