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Nearby Bridges in NBI 2021: 2


DEL 896: US71:301S over C&D CANAL (Route: 896)
Num:1494016x
Open: no restriction [A]
Built: 1959, Reconstructed: 1987
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): Steel [3] Stringer/Multi-beam or girder [02]
Deck: Concrete Cast-in-Place [1] with Wearing Surface: Monolithic Concrete (concurrently placed with structural deck) [1]
Bridge Dimensions
Length: 627.3 m = 2058.2 ft
Main Spans: 3 at 182.9 m = 600.1 ft
Approach Spans: 6
Skew: 0
Width, Roadway: 17.8 m = 58.4 ft (4 Lanes) and Out-To-Out: 19.5 m = 64.0 ft for a 19.5 m = 64.0 ft approaching roadway.
Vertical Clearance: 4.87 m = 16.0 ft and Navigational Clearance: 40.8 m = 133.9 ft
Location
Unknown [10003]: New Castle County [003], Delaware [10]
Owned by Corps of Engineers (Civil) [70], DOT District: 1
9 MI W OF REEDY POINT
Condition
Deck: Satisfactory [6]
Superstructure: Fair [5]
Substructure: Satisfactory [6]
Loading
Design: MS 18 / HS 20 [5]
Operating: 27.5 metric ton = 30.3 tons (Load and Resistance Factor Rating (LRFR) rating reported by rating factor (RF) method using HL-93 loadings [8])
Inventory: 21.1 metric ton = 23.2 tons (Load and Resistance Factor Rating (LRFR) rating reported by rating factor (RF) method using HL-93 loadings [8])
Appraisal
Structural: Somewhat better than minimum adequacy to tolerate being left in place as is [5]
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: 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: 26840 (2020) and Trucks: 25%
Future ADT: 61724 (In 2037 )
CHESAPEAKE CITY RD over US301/SR896 (Route: 399)
Num: 1506 399x
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: 0.5 Miles (0.7 Kilometers)

Bridge Type
Main Span(s): Steel [3] 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: 45.5 m = 149.3 ft
Main Spans: 3 at 25 m = 82.0 ft
Approach Spans: 0
Skew: 1
Width, Roadway: 8.5 m = 27.9 ft (2 Lanes) and Out-To-Out: 10.7 m = 35.1 ft for a 8.5 m = 27.9 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A
Location
Summit Bridge [69230]: New Castle County [003], Delaware [10]
Owned by State Highway Agency [01], DOT District: 5
JUST N. OF SUMMIT BRIDGE
Condition
Deck: Fair [5]
Superstructure: Satisfactory [6]
Substructure: Satisfactory [6]
Loading
Design: MS 18 / HS 20 [5]
Operating: 77.1 metric ton = 84.8 tons (Load Factor(LF) [1])
Inventory: 42.5 metric ton = 46.8 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: N/A [N] and Bridge not over waterway. [N]
Inspections
Date: August 2020 [0820] 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: 2699 (2019) and Trucks: 8%
Future ADT: 3354 (In 2042 )

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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