Bridge Type
Main Span(s): Steel continuous [4] Stringer/Multi-beam or girder [02]
Approach Span(s): Other [00]
Deck: Concrete Precast Panels [2] with Wearing Surface: Bituminous [6]
Bridge Dimensions
Length: 150.3 m = 493.1 ft
Main Spans: 3 at 59.1 m = 193.9 ft
Approach Spans: 0
Skew: 15
Width, Roadway: 8.4 m = 27.6 ft (2 Lanes) and Out-To-Out: 9.6 m = 31.5 ft for a 8.1 m = 26.6 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A
Location
Haverhill [34820]: Grafton County [009], New Hampshire [33]
Owned by State Highway Agency [01], DOT District: 2
VERMONT STATE LINE
Condition
Deck: Very Good [8]
Superstructure: Very Good [8]
Substructure: Satisfactory [6]
Loading
Design: MS 18+Mod / HS 20+Mod [6]
Operating: 67.6 metric ton = 74.4 tons (Load Factor(LF) [1])
Inventory: 40.5 metric ton = 44.6 tons (Load Factor(LF) [1])
Appraisal
Structural: Equal to present minimum criteria [6]
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: June 2020 [0620] 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: 4.8 km = 3.0 mi
Traffic
ADT: 2225 (2019) and Trucks: 10%
Future ADT: 3293 (In 2041
)
