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: Integral Concrete (separate non-modified layer of concrete added to structural deck) [2]
Bridge Dimensions
Length: 173.4 m = 568.9 ft
Main Spans: 3 at 75 m = 246.1 ft
Approach Spans: 0
Skew: 0
Width, Roadway: 14.4 m = 47.2 ft (3 Lanes) and Out-To-Out: 20.8 m = 68.2 ft for a 14.3 m = 46.9 ft approaching roadway.
Vertical Clearance: 32.68 m = 107.2 ft and Navigational Clearance: 999.9 m = 3280.7 ft
Location
New York [51000]: Bronx County [005], New York [36]
Owned by City or Municipal Highway Agency [04], DOT District: 0
CITY ISLAND BRIDGE
Condition
Deck: Good [7]
Superstructure: Very Good [8]
Substructure: Very Good [8]
Loading
Design: HL93 [A]
Operating: 0 metric ton = 0.0 tons (Load Factor(LF) [1])
Inventory: 0 metric ton = 0.0 tons (Load Factor(LF) [1])
Appraisal
Structural:
Deck Geometry: Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Road Alignment: Equal to present minimum criteria [6]
Waterway: Somewhat better than minimum adequacy to tolerate being left in place as is [5] and Bridge foundations determined to be stable for assessed or calculated scour condition. [5]
Inspections
Date: December 1999 [1299] and Frequency: 24
Future Work
Work Needed: Widening of existing bridge with deck rehabilitation or replacement. [34]
Bridge Detour: 19.9 km = 12.3 mi
Traffic
ADT: 14742 (2013) and Trucks: 8%
Future ADT: 14811 (In 2039
)