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: Bituminous [6]
Bridge Dimensions
Length: 47.5 m = 155.8 ft
Main Spans: 2 at 22.9 m = 75.1 ft
Approach Spans: 0
Skew: 18
Width, Roadway: 11.9 m = 39.0 ft (2 Lanes) and Out-To-Out: 13.1 m = 43.0 ft for a 6.7 m = 22.0 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A
Location
Milford [48020]: Hillsborough County [011], New Hampshire [33]
Owned by State Highway Agency [01], DOT District: 5
300 FT. JCT 101
Condition
Deck: Good [7]
Superstructure: Good [7]
Substructure: Good [7]
Loading
Design: MS 22.5 / HS 25 or greater [9]
Operating: 63 metric ton = 69.3 tons (Load Factor(LF) [1])
Inventory: 37.9 metric ton = 41.7 tons (Load Factor(LF) [1])
Appraisal
Structural: Better than present minimum criteria [7]
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 foundations determined to be stable for assessed or calculated scour condition. [5]
Inspections
Date: April 2020 [0420] 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: 2.4 km = 1.5 mi
Traffic
ADT: 6502 (2019) and Trucks: 4%
Future ADT: 9622 (In 2041
)