Bridge Type
Main Span(s): Concrete [1] Arch - Deck [11]
Approach Span(s): Other [00]
Deck: Not applicable [N] with Wearing Surface: Not applicable (applies only to structures with no deck) [N]
Bridge Dimensions
Length: 15.5 m = 50.9 ft
Main Spans: 1 at 15.5 m = 50.9 ft
Approach Spans: 0
Skew: 21
Width, Roadway: 12.5 m = 41.0 ft (2 Lanes) and Out-To-Out: 13.6 m = 44.6 ft for a 12.5 m = 41.0 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A
Location
Charlestown [14500]: Washington County [009], Rhode Island [44]
Owned by State Highway Agency [01], DOT District: 5
1.2 Mi W of JCT RI 112
Condition
Deck: Not Applicable [N]
Superstructure: Satisfactory [6]
Substructure: Satisfactory [6]
Loading
Design: MS 18 / HS 20 [5]
Operating: 64.8 metric ton = 71.3 tons (Load and Resistance Factor Rating (LRFR) rating reported by rating factor (RF) method using HL-93 loadings [8])
Inventory: 49.9 metric ton = 54.9 tons (Load and Resistance Factor Rating (LRFR) rating reported by rating factor (RF) method using HL-93 loadings [8])
Appraisal
Structural: Equal to present minimum criteria [6]
Deck Geometry: Equal to present minimum criteria [6]
Road Alignment: Equal to present desirable criteria [8]
Waterway: Somewhat better than minimum adequacy to tolerate being left in place as is [5] and Bridge is scour critical; bridge foundations determined to be unstable. [3]
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: 0.4 km = 0.2 mi
Traffic
ADT: 3102 (2021) and Trucks: 7%
Future ADT: 3412 (In 2041
)
