Bridge Type
Main Span(s): Steel continuous [4] 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: 124.4 m = 408.2 ft
Main Spans: 2 at 61 m = 200.1 ft
Approach Spans: 0
Skew: 0
Width, Roadway: 10.2 m = 33.5 ft (2 Lanes) and Out-To-Out: 14.3 m = 46.9 ft for a 10.2 m = 33.5 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A
Location
Lancaster [40420]: Coos County [007], New Hampshire [33]
Owned by State Highway Agency [01], DOT District: 1
AT VERMONT STATE LINE
Condition
Deck: Excellent [9]
Superstructure: Excellent [9]
Substructure: Excellent [9]
Loading
Design: HL93 [A]
Operating: 68.8 metric ton = 75.7 tons (Load and Resistance Factor(LRFR) [3])
Inventory: 44.9 metric ton = 49.4 tons (Load and Resistance Factor(LRFR) [3])
Appraisal
Structural: Superior to present desirable criteria [9]
Deck Geometry: Meets minimum tolerable limits to be left in place as is [4]
Road Alignment: Better than present minimum criteria [7]
Waterway: Somewhat better than minimum adequacy to tolerate being left in place as is [5] and Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
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: 1.4 km = 0.9 mi
Traffic
ADT: 3575 (2018) and Trucks: 7%
Future ADT: 5291 (In 2041
)