M-60 & M-99 over S BR KALAMAZOO RIVER (Route: 60)
Num:1193x
Open: no restriction [A]
Built: 1933, Reconstructed: 1993
Historic: Bridge is not eligible for the NRHP. [5]

Google Streetview (If Available)

Rough Distance: 0 Miles (0.1 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: 22.8 m = 74.8 ft
Main Spans: 1 at 22.8 m = 74.8 ft
Approach Spans: 0
Skew: 0
Width, Roadway: 13.4 m = 44.0 ft (3 Lanes) and Out-To-Out: 14.4 m = 47.2 ft for a 13.4 m = 44.0 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A

Location
Homer [38920]: Calhoun County [025], Michigan [26]
Owned by State Highway Agency [01], DOT District: 5
IN HOMER

Condition
Deck: Satisfactory [6]
Superstructure: Satisfactory [6]
Substructure: Satisfactory [6]
Loading
Design: MS 22.5 / HS 25 or greater [9]
Operating: 70.6 metric ton = 77.7 tons (Load Factor(LF) [1])
Inventory: 41.6 metric ton = 45.8 tons (Load Factor(LF) [1])

Appraisal
Structural: Equal to present minimum criteria [6]
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 Countermeasures have been installed to mitigate an existing problem with scour. [7]
Inspections
Date: June 1999 [699] and Frequency: 24

Future Work
Work Needed: Bridge deck replacement with only incidental widening. [37]
Bridge Detour: 0.6 km = 0.4 mi
Traffic
ADT: 5057 (2007) and Trucks: 16%
Future ADT: 9960 (In 2018 )

25 1/2 MI ROAD over S BR KALAMAZOO RIVER (Route: 1381)
Num:1334x
Open: no restriction [A]
Built: 2018, Reconstructed: N/A [0000]
Historic: Bridge is not eligible for the NRHP. [5]

Google Streetview (If Available)

Rough Distance: 0.2 Miles (0.4 Kilometers)

Bridge Type
Main Span(s): Prestressed concrete [5] 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: 34 m = 111.6 ft
Main Spans: 1 at 32.6 m = 107.0 ft
Approach Spans: 0
Skew: 20
Width, Roadway: 9.9 m = 32.5 ft (2 Lanes) and Out-To-Out: 10.8 m = 35.4 ft for a 9.9 m = 32.5 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A

Location
Homer [38940]: Calhoun County [025], Michigan [26]
Owned by County Highway Agency [02], DOT District: 5
HOMER TWP SEC 5

Condition
Deck: Very Good [8]
Superstructure: Very Good [8]
Substructure: Very Good [8]
Loading
Design: Greater than HL93 [B]
Operating: 71.9 metric ton = 79.1 tons (Load and Resistance Factor Rating (LRFR) rating reported by rating factor (RF) method using HL-93 loadings [8])
Inventory: 44.4 metric ton = 48.8 tons (Load and Resistance Factor Rating (LRFR) rating reported by rating factor (RF) method using HL-93 loadings [8])

Appraisal
Structural: Equal to present desirable criteria [8]
Deck Geometry: Equal to present minimum criteria [6]
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: January 2021 [0121] and Frequency: 24

Future Work
Work Needed: Bridge deck replacement with only incidental widening. [37]
Bridge Detour: 1.1 km = 0.7 mi
Traffic
ADT: 981 (2018) and Trucks: 12%
Future ADT: 1197 (In 2038 )