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: 18.6 m = 61.0 ft
Main Spans: 1 at 17.1 m = 56.1 ft
Approach Spans: 0
Skew: 14
Width, Roadway: 7.8 m = 25.6 ft (2 Lanes) and Out-To-Out: 9 m = 29.5 ft for a 7.8 m = 25.6 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A
Location
East Haddam [22280]: Middlesex County [007], Connecticut [09]
Owned by Town or Township Highway Agency [03], DOT District: 2
0.4 MI NORTH OF ROUTE 149
Condition
Deck: Very Good [8]
Superstructure: Very Good [8]
Substructure: Very Good [8]
Loading
Design: M 18 / H 20 [4]
Operating: 74.5 metric ton = 82.0 tons (Load and Resistance Factor Rating (LRFR) rating reported by rating factor (RF) method using HL-93 loadings [8])
Inventory: 58.3 metric ton = 64.1 tons (Load and Resistance Factor Rating (LRFR) rating reported by rating factor (RF) method using HL-93 loadings [8])
Appraisal
Structural: Equal to present desirable criteria [8]
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 desirable criteria [8] and Bridge is scour critical; bridge foundations determined to be unstable. [3]
Inspections
Date: November 2020 [1120] and Frequency: 24
Future Work
Work Needed: Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Bridge Detour: 0.2 km = 0.1 mi
Traffic
ADT: 275 (2020) and Trucks: 7%
Future ADT: 409 (In 2040
)