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Nearby Bridges in NBI 2021: 3


S. WALNUT ST. over CHRISTINA RIVER (Route: 13)
Num: 1687 029x
Posted for load [P]
Built: 1957, Reconstructed: 1995
Historic: Bridge is eligible for the NRHP. [2]

Google Streetview (If Available)

Rough Distance: 0 Miles (0 Kilometers)

Bridge Type
Main Span(s): Steel [3] Movable - Bascule [16]
Approach Span(s): Steel [3] Stringer/Multi-beam or girder [02]
Deck: Concrete Cast-in-Place [1] with Wearing Surface:
Bridge Dimensions
Length: 195.1 m = 640.1 ft
Main Spans: 1 at 67.1 m = 220.2 ft
Approach Spans: 9
Skew: 0
Width, Roadway: 15.2 m = 49.9 ft (4 Lanes) and Out-To-Out: 16.2 m = 53.2 ft for a 15.2 m = 49.9 ft approaching roadway.
Vertical Clearance: 5.86 m = 19.2 ft and Navigational Clearance: 4 m = 13.1 ft
Location
Wilmington [77580]: New Castle County [003], Delaware [10]
Owned by State Highway Agency [01], DOT District: 1
WILMINGTON
Condition
Deck: Satisfactory [6]
Superstructure: Fair [5]
Substructure: Satisfactory [6]
Loading
Design: MS 18 / HS 20 [5]
Operating: 24 metric ton = 26.4 tons (Load and Resistance Factor Rating (LRFR) rating reported by rating factor (RF) method using HL-93 loadings [8])
Inventory: 18.5 metric ton = 20.4 tons (Load and Resistance Factor Rating (LRFR) rating reported by rating factor (RF) method using HL-93 loadings [8])
Appraisal
Structural: Meets minimum tolerable limits to be left in place as is [4]
Deck Geometry: Basically intolerable requiring high priority of corrrective action [3]
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: March 2020 [0320] 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: 32413 (2019) and Trucks: 9%
Future ADT: 18562 (In 2037 )
SOUTH MARKET ST over CHRISTINA RIVER (Route: 13)
Num: 1688 029x
Open: no restriction [A]
Built: 1927, Reconstructed: 1982
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): Steel [3] Movable - Bascule [16]
Approach Span(s): Steel [3] Stringer/Multi-beam or girder [02]
Deck: Open Grating [3] with Wearing Surface:
Bridge Dimensions
Length: 87.8 m = 288.1 ft
Main Spans: 1 at 69.8 m = 229.0 ft
Approach Spans: 2
Skew: 0
Width, Roadway: 11.6 m = 38.1 ft (3 Lanes) and Out-To-Out: 12 m = 39.4 ft for a 11.6 m = 38.1 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 2 m = 6.6 ft
Location
Wilmington [77580]: New Castle County [003], Delaware [10]
Owned by State Highway Agency [01], DOT District: 1
WILMINGTON
Condition
Deck: Satisfactory [6]
Superstructure: Satisfactory [6]
Substructure: Satisfactory [6]
Loading
Design: MS 18 / HS 20 [5]
Operating: 39.6 metric ton = 43.6 tons (Load Testing [4])
Inventory: 25.5 metric ton = 28.1 tons (Load Testing [4])
Appraisal
Structural: Equal to present minimum criteria [6]
Deck Geometry: Basically intolerable requiring high priority of replacement [2]
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: April 1999 [499] and Frequency: 24
Future Work
Work Needed: Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Bridge Detour: 0.4 km = 0.2 mi
Traffic
ADT: 16207 (2018) and Trucks: 9%
Future ADT: 18927 (In 2037 )
WALNUT ST/US13 NB over SHOPPING PLAZA DRAINAGE (Route: 13)
Num: 1683 029x
Open: no restriction [A]
Built: 2010, 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: Concrete Precast Panels [2] with Wearing Surface: Bituminous [6]
Bridge Dimensions
Length: 9.4 m = 30.8 ft
Main Spans: 2 at 4.4 m = 14.4 ft
Approach Spans: 0
Skew: 0
Width, Roadway: 17.1 m = 56.1 ft (4 Lanes) and Out-To-Out: 30.8 m = 101.1 ft for a 16 m = 52.5 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A
Location
South Wilmington [67975]: New Castle County [003], Delaware [10]
Owned by State Highway Agency [01], DOT District: 1
S. OF WILMIGTON
Condition
Deck: Not Applicable [N]
Superstructure: Not Applicable [N]
Substructure: Not Applicable [N]
Loading
Design: MS 18+Mod / HS 20+Mod [6]
Operating: 42.1 metric ton = 46.3 tons (Load and Resistance Factor Rating (LRFR) rating reported by rating factor (RF) method using HL-93 loadings [8])
Inventory: 32.4 metric ton = 35.6 tons (Load and Resistance Factor Rating (LRFR) rating reported by rating factor (RF) method using HL-93 loadings [8])
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: Equal to present minimum criteria [6] and Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Inspections
Date: April 2020 [0420] and Frequency: 24
Future Work
Work Needed:
Bridge Detour: 0 km = 0.0 mi
Traffic
ADT: 29936 (2019) and Trucks: 6%
Future ADT: 35944 (In 2038 )

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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