OLD ROUTE 422 RT over SLIPPERY ROCK CREEK (Route: 0)
Num:22563x
Bridge closed to all traffic [K]
Built: 1920, 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] Truss - Thru [10]
Approach Span(s): Other [00]
Deck: Concrete Cast-in-Place [1] with Wearing Surface: Bituminous [6]

Bridge Dimensions
Length: 57.9 m = 190.0 ft
Main Spans: 1 at 56.4 m = 185.0 ft
Approach Spans: 0
Skew: 0
Width, Roadway: 7 m = 23.0 ft (2 Lanes) and Out-To-Out: 7.6 m = 24.9 ft for a 5.5 m = 18.0 ft approaching roadway.
Vertical Clearance: 4.22 m = 13.8 ft and Navigational Clearance: 0 = N/A

Location
Slippery Rock [71200]: Lawrence County [073], Pennsylvania [42]
Owned by Town or Township Highway Agency [03], DOT District: 11
250' W OF MUDDY CREEK RD

Condition
Deck:
Superstructure: Serious [3]
Substructure: Poor [4]
Loading
Design:
Operating: 0 metric ton = 0.0 tons (No rating analysis or evaluation performed [5])
Inventory: 0 metric ton = 0.0 tons (No rating analysis or evaluation performed [5])

Appraisal
Structural:
Deck Geometry:
Road Alignment: Better than present minimum criteria [7]
Waterway: Superior to present desirable criteria [9] and Bridge foundations determined to be stable for assessed or calculated scour condition. [5]
Inspections
Date: June 2020 [0620] and Frequency: 24

Future Work
Work Needed: Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Bridge Detour: 0.2 km = 0.1 mi
Traffic
ADT: 0 (2014) and Trucks: 0%
Future ADT: 0 (In 2034 )

BENJAMIN FRANKL HW over SLIPPERY ROCK CREEK (Route: 422)
Num:22338x
Open: no restriction [A]
Built: 1950, Reconstructed: 1984
Historic: Bridge is not eligible for the NRHP. [5]

Google Streetview (If Available)

Rough Distance: 0.1 Miles (0.2 Kilometers)

Bridge Type
Main Span(s): Concrete [1] Arch - Deck [11]
Approach Span(s): Concrete [1] Arch - Deck [11]
Deck: Concrete Cast-in-Place [1] with Wearing Surface: Monolithic Concrete (concurrently placed with structural deck) [1]

Bridge Dimensions
Length: 153.3 m = 503.0 ft
Main Spans: 3 at 54.6 m = 179.1 ft
Approach Spans: 3
Skew: 0
Width, Roadway: 15.5 m = 50.9 ft (4 Lanes) and Out-To-Out: 17.7 m = 58.1 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
Slippery Rock [71200]: Lawrence County [073], Pennsylvania [42]
Owned by State Highway Agency [01], DOT District: 11
3/4 MI. WEST OF SR 0019

Condition
Deck: Satisfactory [6]
Superstructure: Satisfactory [6]
Substructure: Satisfactory [6]
Loading
Design: MS 18 / HS 20 [5]
Operating: 44.5 metric ton = 49.0 tons (Load Factor(LF) [1])
Inventory: 26.3 metric ton = 28.9 tons (Load Factor(LF) [1])

Appraisal
Structural: Equal to present minimum criteria [6]
Deck Geometry: Meets minimum tolerable limits to be left in place as is [4]
Road Alignment: Equal to present desirable criteria [8]
Waterway: Superior to present desirable criteria [9] and Bridge foundations determined to be stable for assessed or calculated scour condition. [5]
Inspections
Date: September 1999 [999] and Frequency: 24

Future Work
Work Needed: Widening of existing bridge with deck rehabilitation or replacement. [34]
Bridge Detour: 2.1 km = 1.3 mi
Traffic
ADT: 18074 (2019) and Trucks: 11%
Future ADT: 12716 (In 2032 )

T741 Old Route 422 over TRIB SLIPPERY ROCK CREEK (Route: 7212)
Num:41936x
Posted for load [P]
Built: 1921, Reconstructed: N/A [0000]
Historic: Bridge is not eligible for the NRHP. [5]

Google Streetview (If Available)

Rough Distance: 0.4 Miles (0.6 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: Bituminous [6]

Bridge Dimensions
Length: 11.3 m = 37.1 ft
Main Spans: 1 at 11 m = 36.1 ft
Approach Spans: 0
Skew: 0
Width, Roadway: 7.3 m = 24.0 ft (2 Lanes) and Out-To-Out: 7.9 m = 25.9 ft for a 5.8 m = 19.0 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A

Location
Slippery Rock [71200]: Lawrence County [073], Pennsylvania [42]
Owned by Town or Township Highway Agency [03], DOT District: 11
275' NORTH OF SR 422

Condition
Deck: Fair [5]
Superstructure: Serious [3]
Substructure: Fair [5]
Loading
Design: MS 22.5 / HS 25 or greater [9]
Operating: 14.5 metric ton = 16.0 tons (Load Factor(LF) [1])
Inventory: 9.1 metric ton = 10.0 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: Equal to present desirable criteria [8]
Waterway: Superior to present desirable criteria [9] and Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Inspections
Date: June 2020 [0620] and Frequency: 24

Future Work
Work Needed: Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Bridge Detour: 0.5 km = 0.3 mi
Traffic
ADT: 300 (2019) and Trucks: 1%
Future ADT: 500 (In 2039 )