Bridge Type
Main Span(s): Concrete [1] Arch - Deck [11]
Approach Span(s): Other [00]
Deck: Concrete Cast-in-Place [1] with Wearing Surface: Bituminous [6]
Bridge Dimensions
Length: 28.7 m = 94.2 ft
Main Spans: 1 at 27.4 m = 89.9 ft
Approach Spans: 0
Skew: 0
Width, Roadway: 8.5 m = 27.9 ft (2 Lanes) and Out-To-Out: 12.5 m = 41.0 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
Goffstown [29860]: Hillsborough County [011], New Hampshire [33]
Owned by City or Municipal Highway Agency [04], DOT District: 5
.3 MI S JCT RT 13
Condition
Deck: Satisfactory [6]
Superstructure: Satisfactory [6]
Substructure: Satisfactory [6]
Loading
Design: MS 22.5 / HS 25 or greater [9]
Operating: 68.7 metric ton = 75.6 tons (Load Factor(LF) [1])
Inventory: 41.2 metric ton = 45.3 tons (Load Factor(LF) [1])
Appraisal
Structural: Equal to present minimum criteria [6]
Deck Geometry: Basically intolerable requiring high priority of replacement [2]
Road Alignment: Better than present minimum criteria [7]
Waterway: Equal to present desirable criteria [8] and Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Inspections
Date: July 1999 [799] 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: 2.1 km = 1.3 mi
Traffic
ADT: 19134 (2019) and Trucks: 5%
Future ADT: 28318 (In 2041
)