N COUNTY LINE ROAD over NORTH MACON CREEK (Route: 0)
Num:7377x
Bridge closed to all traffic [K]
Built: 1910, 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: Monolithic Concrete (concurrently placed with structural deck) [1]

Bridge Dimensions
Length: 9.1 m = 29.9 ft
Main Spans: 1 at 8.2 m = 26.9 ft
Approach Spans: 0
Skew: 0
Width, Roadway: 4.9 m = 16.1 ft (2 Lanes) and Out-To-Out: 5.4 m = 17.7 ft for a 4.6 m = 15.1 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A

Location
Milan [53900]: Monroe County [115], Michigan [26]
Owned by County Highway Agency [02], DOT District: 6
0.13 MI N OF RIDGE ROAD

Condition
Deck: Serious [3]
Superstructure:
Substructure:
Loading
Design:
Operating: 0 metric ton = 0.0 tons (Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading [6])
Inventory: 0 metric ton = 0.0 tons (Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading [6])

Appraisal
Structural:
Deck Geometry: N/A [N]
Road Alignment:
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 2020 [1020] and Frequency: 24

Future Work
Work Needed:
Bridge Detour: 0.3 km = 0.2 mi
Traffic
ADT: 68 (1998) and Trucks: 3%
Future ADT: 78 (In 2018 )

HACK RD over MACON CREEK (Route: 0)
Num:11048x
Open: no restriction [A]
Built: 1965, Reconstructed: N/A [0000]
Historic: Bridge is not eligible for the NRHP. [5]

Google Streetview (If Available)

Rough Distance: 0.2 Miles (0.3 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: Gravel [8]

Bridge Dimensions
Length: 8.2 m = 26.9 ft
Main Spans: 1 at 8.2 m = 26.9 ft
Approach Spans: 0
Skew: 0
Width, Roadway: 7.6 m = 24.9 ft (2 Lanes) and Out-To-Out: 7.9 m = 25.9 ft for a 6.1 m = 20.0 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A

Location
York [89100]: Washtenaw County [161], Michigan [26]
Owned by County Highway Agency [02], DOT District: 6
SALINE TWP SEC 36

Condition
Deck: Fair [5]
Superstructure: Fair [5]
Substructure: Serious [3]
Loading
Design: MS 18+Mod / HS 20+Mod [6]
Operating: 62.2 metric ton = 68.4 tons (Load Factor(LF) [1])
Inventory: 37.3 metric ton = 41.0 tons (Load Factor(LF) [1])

Appraisal
Structural: Basically intolerable requiring high priority of corrrective action [3]
Deck Geometry: Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Road Alignment: Better than present minimum criteria [7]
Waterway: Equal to present desirable criteria [8] and Bridge is scour critical; bridge foundations determined to be unstable. [3]
Inspections
Date: June 2020 [0620] and Frequency: 12

Future Work
Work Needed: Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Bridge Detour: 0.5 km = 0.3 mi
Traffic
ADT: 163 (2003) and Trucks: 0%
Future ADT: 177 (In 2023 )

HACK RD over N MACON CREEK (Route: 0)
Num:5653x
Open: no restriction [A]
Built: 2005, Reconstructed: N/A [0000]
Historic: Bridge is not eligible for the NRHP. [5]

Google Streetview (If Available)

Rough Distance: 0.3 Miles (0.4 Kilometers)

Bridge Type
Main Span(s): Prestressed concrete [5] Box beam or girders - Multiple [05]
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: 14.6 m = 47.9 ft
Main Spans: 1 at 13.4 m = 44.0 ft
Approach Spans: 0
Skew: 0
Width, Roadway: 8.8 m = 28.9 ft (2 Lanes) and Out-To-Out: 9.5 m = 31.2 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
Macon [50520]: Lenawee County [091], Michigan [26]
Owned by County Highway Agency [02], DOT District: 6
0.2 MI W OF CO. LINE HWY

Condition
Deck: Very Good [8]
Superstructure: Very Good [8]
Substructure: Very Good [8]
Loading
Design: MS 22.5 / HS 25 or greater [9]
Operating: 75.4 metric ton = 82.9 tons (Load Factor(LF) [1])
Inventory: 45.3 metric ton = 49.8 tons (Load Factor(LF) [1])

Appraisal
Structural: Equal to present desirable criteria [8]
Deck Geometry: Better than present minimum criteria [7]
Road Alignment: Equal to present minimum criteria [6]
Waterway: Equal to present minimum criteria [6] and Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Inspections
Date: March 2021 [0321] and Frequency: 24

Future Work
Work Needed: Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Bridge Detour: 0.3 km = 0.2 mi
Traffic
ADT: 98 (2011) and Trucks: 1%
Future ADT: 200 (In 2031 )