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Nearby Bridges in NBI 2021: 2


KEEFER RD over ROCKY SPRING BRANCH (Route: 0)
Num:17671x
Open: no restriction [A]
Built: 1998, 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): Prestressed concrete [5] Box Beam or girders - Single or Spread [06]
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: 13.1 m = 43.0 ft
Main Spans: 1 at 12.5 m = 41.0 ft
Approach Spans: 0
Skew: 0
Width, Roadway: 7.3 m = 24.0 ft (2 Lanes) and Out-To-Out: 8.4 m = 27.6 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
Hamilton [32152]: Franklin County [055], Pennsylvania [42]
Owned by County Highway Agency [02], DOT District: 8
0.7 MI NW OF SR 4010
Condition
Deck: Good [7]
Superstructure: Very Good [8]
Substructure: Satisfactory [6]
Loading
Design: MS 22.5 / HS 25 or greater [9]
Operating: 87.1 metric ton = 95.8 tons (Load Factor(LF) [1])
Inventory: 48.1 metric ton = 52.9 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: Better than present minimum criteria [7]
Waterway: Equal to present desirable criteria [8] 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:
Bridge Detour: 0.3 km = 0.2 mi
Traffic
ADT: 250 (2009) and Trucks: 0%
Future ADT: 335 (In 2029 )
SOUTH PATROL RD over SMALL STREAM (Route: 0)
Num:DAPAMCLET000022x
Open: posting recommended but not legally implemented [B]
Built: 1942, 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] Slab [01]
Approach Span(s): Other [00]
Deck: Concrete Cast-in-Place [1] with Wearing Surface: Bituminous [6]
Bridge Dimensions
Length: 11.7 m = 38.4 ft
Main Spans: 2 at 4.9 m = 16.1 ft
Approach Spans: 0
Skew: 30
Width, Roadway: 5.8 m = 19.0 ft (1 Lanes) and Out-To-Out: 6.6 m = 21.7 ft for a 3.4 m = 11.2 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A
Location
Letterkenny [42888]: Franklin County [055], Pennsylvania [42]
Owned by Army [74], DOT District: 8
SE OF BUILDING 1570
Condition
Deck: Satisfactory [6]
Superstructure: Satisfactory [6]
Substructure: Good [7]
Loading
Design:
Operating: 17.6 metric ton = 19.4 tons (Load and Resistance Factor(LRFR) [3])
Inventory: 13.6 metric ton = 15.0 tons (Load and Resistance Factor(LRFR) [3])
Appraisal
Structural: Meets minimum tolerable limits to be left in place as is [4]
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 the assessed or calculated scour condition. [8]
Inspections
Date: May 1999 [599] and Frequency: 24
Future Work
Work Needed: Other structural work: including hydraulic replacements. [38]
Bridge Detour: 0.5 km = 0.3 mi
Traffic
ADT: 20 (2015) and Trucks: 5%
Future ADT: 22 (In 2041 )

Special Bridge Conditions Legend: R - Former location of relocated bridge. ! - At risk for demolition or destruction. X - Confirmed demolished or collapsed. S  - Dismantled and/or in storage. L -  Severe loss of historic integrity due to alteration.

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