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: 68.3 m = 224.1 ft
Main Spans: 3 at 25 m = 82.0 ft
Approach Spans: 0
Skew: 20
Width, Roadway: 8.5 m = 27.9 ft (2 Lanes) and Out-To-Out: 10.4 m = 34.1 ft for a 9.8 m = 32.2 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A
Location
Island Falls [35065]: Aroostook County [003], Maine [23]
Owned by State Highway Agency [01], DOT District: 5
0.4 MI E OF OVER I-95
Condition
Deck: Satisfactory [6]
Superstructure: Good [7]
Substructure: Satisfactory [6]
Loading
Design: MS 18 / HS 20 [5]
Operating: 35.3 metric ton = 38.8 tons (Load and Resistance Factor Rating (LRFR) rating reported by rating factor (RF) method using HL-93 loadings [8])
Inventory: 27.2 metric ton = 29.9 tons (Load and Resistance Factor Rating (LRFR) rating reported by rating factor (RF) method using HL-93 loadings [8])
Appraisal
Structural: Equal to present minimum criteria [6]
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: Superior to present desirable criteria [9] and Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Inspections
Date: September 1999 [999] and Frequency: 24
Future Work
Work Needed:
Bridge Detour: 2.3 km = 1.4 mi
Traffic
ADT: 1450 (2016) and Trucks: 5%
Future ADT: 2175 (In 2036
)
