LENAWEE CO LINE RD over MILAN-MACON DRAIN (Route: 0)
Num:7254x
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): Concrete [1] Tee beam [04]
Approach Span(s): Other [00]
Deck: Concrete Cast-in-Place [1] with Wearing Surface: Gravel [8]

Bridge Dimensions
Length: 9.4 m = 30.8 ft
Main Spans: 1 at 8.8 m = 28.9 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 7.9 m = 25.9 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
.3 MI N OF CONE ROAD

Condition
Deck: Poor [4]
Superstructure: Critical [2]
Substructure: Poor [4]
Loading
Design:
Operating: 20.4 metric ton = 22.4 tons (Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading [6])
Inventory: 12.6 metric ton = 13.9 tons (Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading [6])

Appraisal
Structural: Basically intolerable requiring high priority of replacement [2]
Deck Geometry: Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Road Alignment: Basically intolerable requiring high priority of replacement [2]
Waterway: Equal to present minimum criteria [6] and Bridge is scour critical; bridge foundations determined to be unstable. [3]
Inspections
Date: October 2020 [1020] and Frequency: 12

Future Work
Work Needed:
Bridge Detour: 1.1 km = 0.7 mi
Traffic
ADT: 110 (2018) and Trucks: 14%
Future ADT: 126 (In 2038 )

WELCH RD over BEAR SWAMP CREEK (Route: 0)
Num:13282x
Open: no restriction [A]
Built: 1978, Reconstructed: N/A [0000]
Historic: Bridge is not eligible for the NRHP. [5]

Google Streetview (If Available)

Rough Distance: 0.3 Miles (0.5 Kilometers)

Bridge Type
Main Span(s): Steel [3] Culvert [19]
Approach Span(s): Other [00]
Deck: Not applicable [N] with Wearing Surface: Gravel [8]

Bridge Dimensions
Length: 6.5 m = 21.3 ft
Main Spans: 2 at 2.7 m = 8.9 ft
Approach Spans: 0
Skew: 15
Width, Roadway: 0 m = 0.0 ft (2 Lanes) and Out-To-Out: 0 m = 0.0 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
Dover [22820]: Lenawee County [091], Michigan [26]
Owned by County Highway Agency [02], DOT District: 6
0.1 MI W OF COUNTYLINE RD

Condition
Deck: Not Applicable [N]
Superstructure: Not Applicable [N]
Substructure: Not Applicable [N]
Loading
Design:
Operating: 28.2 metric ton = 31.0 tons (Load and Resistance Factor Rating (LRFR) rating reported by rating factor (RF) method using HL-93 loadings [8])
Inventory: 21.7 metric ton = 23.9 tons (Load and Resistance Factor Rating (LRFR) rating reported by rating factor (RF) method using HL-93 loadings [8])

Appraisal
Structural: Equal to present minimum criteria [6]
Deck Geometry: N/A [N]
Road Alignment: Equal to present desirable criteria [8]
Waterway: Better than present minimum criteria [7] and Bridge foundations determined to be stable for assessed or calculated scour condition. [5]
Inspections
Date: March 1999 [399] 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 km = 0.0 mi
Traffic
ADT: 171 (2005) and Trucks: 1%
Future ADT: 250 (In 2025 )

CONE RD over MILAN-MACON DRAIN (Route: 0)
Num:7260x
Open: no restriction [A]
Built: 1970, 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): Concrete [1] Culvert [19]
Approach Span(s): Other [00]
Deck: Not applicable [N] with Wearing Surface: Not applicable (applies only to structures with no deck) [N]

Bridge Dimensions
Length: 7.9 m = 25.9 ft
Main Spans: 2 at 3.6 m = 11.8 ft
Approach Spans: 0
Skew: 30
Width, Roadway: 5.8 m = 19.0 ft (2 Lanes) and Out-To-Out: 14.6 m = 47.9 ft for a 7 m = 23.0 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
.35 MI E OF LENAWEE CO LI

Condition
Deck: Not Applicable [N]
Superstructure: Not Applicable [N]
Substructure: Not Applicable [N]
Loading
Design: MS 18 / HS 20 [5]
Operating: 39.9 metric ton = 43.9 tons (Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading [6])
Inventory: 24 metric ton = 26.4 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: Basically intolerable requiring high priority of corrrective action [3]
Road Alignment: Basically intolerable requiring high priority of corrrective action [3]
Waterway: Equal to present minimum criteria [6] and Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Inspections
Date: October 1999 [1099] and Frequency: 24

Future Work
Work Needed: Widening of existing bridge or other major structure without deck rehabilitation or replacement [33]
Bridge Detour: 1.1 km = 0.7 mi
Traffic
ADT: 290 (2016) and Trucks: 3%
Future ADT: 334 (In 2036 )