GERLOFF ROAD over SWAMP CREEK (Route: 0)
Num:27816x
Posted for load [P]
Built: 1888, Reconstructed: 1998
Historic: Bridge is on the NRHP. [1]

Google Streetview (If Available)

Rough Distance: 0 Miles (0 Kilometers)

Bridge Type
Main Span(s): Steel [3] Arch - Thru [12]
Approach Span(s): Other [00]
Deck: Open Grating [3] with Wearing Surface:

Bridge Dimensions
Length: 42.1 m = 138.1 ft
Main Spans: 1 at 40.8 m = 133.9 ft
Approach Spans: 0
Skew: 0
Width, Roadway: 4.6 m = 15.1 ft (1 Lanes) and Out-To-Out: 5.3 m = 17.4 ft for a 6.7 m = 22.0 ft approaching roadway.
Vertical Clearance: 5.31 m = 17.4 ft and Navigational Clearance: 0 = N/A

Location
Lower Frederick [44912]: Montgomery County [091], Pennsylvania [42]
Owned by Town or Township Highway Agency [03], DOT District: 6
1000' (S)OF SR0073 3029C7

Condition
Deck: Good [7]
Superstructure: Good [7]
Substructure: Good [7]
Loading
Design: MS 18+Mod / HS 20+Mod [6]
Operating: 61.7 metric ton = 67.9 tons (Load Factor(LF) [1])
Inventory: 37.2 metric ton = 40.9 tons (Load Factor(LF) [1])

Appraisal
Structural: Better than present minimum criteria [7]
Deck Geometry: Basically intolerable requiring high priority of replacement [2]
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: February 1999 [299] and Frequency: 24

Future Work
Work Needed:
Bridge Detour: 0.6 km = 0.4 mi
Traffic
ADT: 750 (2015) and Trucks: 1%
Future ADT: 1000 (In 2035 )

BIG ROAD/3029B6 over SCIOTO CREEK (Route: 73)
Num:27194x
Open: no restriction [A]
Built: 1956, 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): 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: 8.2 m = 26.9 ft
Main Spans: 1 at 8.2 m = 26.9 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 7.3 m = 24.0 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A

Location
Lower Frederick [44912]: Montgomery County [091], Pennsylvania [42]
Owned by State Highway Agency [01], DOT District: 6
WEST OF PENNA-29 13J05

Condition
Deck: Not Applicable [N]
Superstructure: Not Applicable [N]
Substructure: Not Applicable [N]
Loading
Design: MS 18 / HS 20 [5]
Operating: 65.3 metric ton = 71.8 tons ()
Inventory: 32.7 metric ton = 36.0 tons ()

Appraisal
Structural: Equal to present minimum criteria [6]
Deck Geometry: N/A [N]
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 1999 [699] and Frequency: 24

Future Work
Work Needed:
Bridge Detour: 1.1 km = 0.7 mi
Traffic
ADT: 6860 (2020) and Trucks: 10%
Future ADT: 10115 (In 2032 )