SR 13 over KOKOSING RIVER (Route: 13)
Num:4200632x
Open: no restriction [A]
Built: 1892, Reconstructed: 1969
Historic: Bridge is eligible for the NRHP. [2]

Google Streetview (If Available)

Rough Distance: 0.2 Miles (0.3 Kilometers)

Bridge Type
Main Span(s): Masonry [8] Arch - Deck [11]
Approach Span(s): Other [00]
Deck: Not applicable [N] with Wearing Surface: Bituminous [6]

Bridge Dimensions
Length: 57.9 m = 190.0 ft
Main Spans: 5 at 11.6 m = 38.1 ft
Approach Spans: 0
Skew: 0
Width, Roadway: 17.1 m = 56.1 ft (4 Lanes) and Out-To-Out: 20.1 m = 65.9 ft for a 17.1 m = 56.1 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A

Location
Mount Vernon [53102]: Knox County [083], Ohio [39]
Owned by State Highway Agency [01], DOT District: 5
.4 M N OF JCT SR 586

Condition
Deck: Not Applicable [N]
Superstructure: Good [7]
Substructure: Good [7]
Loading
Design: M 9 / H 10 [1]
Operating: 51.8 metric ton = 57.0 tons (Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading [6])
Inventory: 35.6 metric ton = 39.2 tons (Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading [6])

Appraisal
Structural: Better than present minimum criteria [7]
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: Better than present minimum criteria [7] and Countermeasures have been installed to mitigate an existing problem with scour. [7]
Inspections
Date: September 2020 [0920] and Frequency: 12

Future Work
Work Needed:
Bridge Detour: 0.6 km = 0.4 mi
Traffic
ADT: 26321 (2015) and Trucks: 8%
Future ADT: 36534 (In 2038 )

SR 13 over DRY CREEK (Route: 13)
Num:4200608x
Open: no restriction [A]
Built: 1969, 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): Steel continuous [4] Stringer/Multi-beam or girder [02]
Approach Span(s): Other [00]
Deck: Concrete Cast-in-Place [1] with Wearing Surface: Integral Concrete (separate non-modified layer of concrete added to structural deck) [2]

Bridge Dimensions
Length: 43.6 m = 143.1 ft
Main Spans: 3 at 16.8 m = 55.1 ft
Approach Spans: 0
Skew: 50
Width, Roadway: 15.5 m = 50.9 ft (4 Lanes) and Out-To-Out: 19.3 m = 63.3 ft for a 15.5 m = 50.9 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A

Location
Mount Vernon [53102]: Knox County [083], Ohio [39]
Owned by State Highway Agency [01], DOT District: 5
.25 M N OF JCT SR 586

Condition
Deck: Good [7]
Superstructure: Very Good [8]
Substructure: Good [7]
Loading
Design: M 18 / H 20 [4]
Operating: 42.1 metric ton = 46.3 tons (Allowable Stress (AS) rating reported by rating factor (RF) method using MS18 loading [7])
Inventory: 32.4 metric ton = 35.6 tons (Allowable Stress (AS) rating reported by rating factor (RF) method using MS18 loading [7])

Appraisal
Structural: Better than present minimum criteria [7]
Deck Geometry: Meets minimum tolerable limits to be left in place as is [4]
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: August 2020 [0820] and Frequency: 12

Future Work
Work Needed:
Bridge Detour: 5.1 km = 3.2 mi
Traffic
ADT: 16504 (2015) and Trucks: 8%
Future ADT: 22908 (In 2038 )