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Nearby Bridges in NBI 2021: 3


HAMILTON STREET over LEH.R.: NS(0521) ALB.ST. (Route: 0)
Num:23510x
Open: no restriction [A]
Built: 1959, Reconstructed: 1994
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] 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: 253 m = 830.1 ft
Main Spans: 9 at 29 m = 95.1 ft
Approach Spans: 0
Skew: 99
Width, Roadway: 15.2 m = 49.9 ft (4 Lanes) and Out-To-Out: 19.4 m = 63.7 ft for a 15.2 m = 49.9 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A
Location
Allentown [02000]: Lehigh County [077], Pennsylvania [42]
Owned by County Highway Agency [02], DOT District: 5
LEHIGH RIVER BRIDGE
Condition
Deck: Satisfactory [6]
Superstructure: Fair [5]
Substructure: Fair [5]
Loading
Design: MS 18 / HS 20 [5]
Operating: 85.3 metric ton = 93.8 tons (Load Factor(LF) [1])
Inventory: 15.4 metric ton = 16.9 tons (Load Factor(LF) [1])
Appraisal
Structural: Basically intolerable requiring high priority of corrrective action [3]
Deck Geometry: Basically intolerable requiring high priority of corrrective action [3]
Road Alignment: Better than present minimum criteria [7]
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 deck replacement with only incidental widening. [37]
Bridge Detour: 0.3 km = 0.2 mi
Traffic
ADT: 24900 (1993) and Trucks: 8%
Future ADT: 49280 (In 1992 )
HAMILTON STREET over UNION STREET RAMP (Route: 0)
Num:23514x
Open: no restriction [A]
Built: 1959, Reconstructed: 1995
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): 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: 70.7 m = 232.0 ft
Main Spans: 4 at 26.8 m = 87.9 ft
Approach Spans: 0
Skew: 99
Width, Roadway: 7.6 m = 24.9 ft (1 Lanes) and Out-To-Out: 8.6 m = 28.2 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
Allentown [02000]: Lehigh County [077], Pennsylvania [42]
Owned by County Highway Agency [02], DOT District: 5
WEST OF RIVER BRIDGE
Condition
Deck: Good [7]
Superstructure: Fair [5]
Substructure: Satisfactory [6]
Loading
Design: MS 18 / HS 20 [5]
Operating: 89.8 metric ton = 98.8 tons (Load Factor(LF) [1])
Inventory: 25.4 metric ton = 27.9 tons (Load Factor(LF) [1])
Appraisal
Structural: Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Deck Geometry: Better than present minimum criteria [7]
Road Alignment: Better than present minimum criteria [7]
Waterway: N/A [N] and Bridge not over waterway. [N]
Inspections
Date: April 2020 [0420] and Frequency: 24
Future Work
Work Needed: Bridge deck replacement with only incidental widening. [37]
Bridge Detour: 0.3 km = 0.2 mi
Traffic
ADT: 15000 (2002) and Trucks: 1%
Future ADT: 16500 (In 2022 )
BASIN STREET over LITTLE LEHIGH CREEK (Route: 0)
Num:23511x
Open: no restriction [A]
Built: 1959, Reconstructed: N/A [0000]
Historic: Bridge is not eligible for the NRHP. [5]

Google Streetview (If Available)

Rough Distance: 0.4 Miles (0.7 Kilometers)

Bridge Type
Main Span(s): Prestressed concrete [5] Box beam or girders - Multiple [05]
Approach Span(s): Other [00]
Deck: Other [9] with Wearing Surface: Bituminous [6]
Bridge Dimensions
Length: 64 m = 210.0 ft
Main Spans: 3 at 20.7 m = 67.9 ft
Approach Spans: 0
Skew: 18
Width, Roadway: 15.8 m = 51.8 ft (4 Lanes) and Out-To-Out: 18.6 m = 61.0 ft for a 15.8 m = 51.8 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A
Location
Allentown [02000]: Lehigh County [077], Pennsylvania [42]
Owned by County Highway Agency [02], DOT District: 5
BETWEEN 3RD & 4TH STREET
Condition
Deck: Satisfactory [6]
Superstructure: Fair [5]
Substructure: Fair [5]
Loading
Design: M 18 / H 20 [4]
Operating: 39 metric ton = 42.9 tons (Load Factor(LF) [1])
Inventory: 18.1 metric ton = 19.9 tons (Load Factor(LF) [1])
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 assessed or calculated scour conditions; field review indicates action is required. [4]
Inspections
Date: October 1999 [1099] and Frequency: 24
Future Work
Work Needed: Bridge deck rehabilitation with only incidental widening. [36]
Bridge Detour: 0.2 km = 0.1 mi
Traffic
ADT: 14700 (1972) and Trucks: 20%
Future ADT: 20580 (In 2020 )

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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