RTE 970B over GRASSE RIVER (Route: 970)
Num:1048270x
Open: no restriction [A]
Built: 1917, Reconstructed: 2004
Historic: Bridge is eligible for the NRHP. [2]

Google Streetview (If Available)

Rough Distance: 0 Miles (0 Kilometers)

Bridge Type
Main Span(s): Concrete [1] Arch - Deck [11]
Approach Span(s): Other [00]
Deck: Not applicable [N] with Wearing Surface: Monolithic Concrete (concurrently placed with structural deck) [1]

Bridge Dimensions
Length: 105.5 m = 346.1 ft
Main Spans: 4 at 26.2 m = 86.0 ft
Approach Spans: 0
Skew: 0
Width, Roadway: 9.1 m = 29.9 ft (2 Lanes) and Out-To-Out: 14 m = 45.9 ft for a 12.2 m = 40.0 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A

Location
Massena [46019]: St. Lawrence County [089], New York [36]
Owned by State Highway Agency [01], DOT District: 75
JCT RTE 420 + GRASSE R

Condition
Deck: Good [7]
Superstructure: Good [7]
Substructure: Good [7]
Loading
Design:
Operating: 49.6 metric ton = 54.6 tons ()
Inventory: 16.9 metric ton = 18.6 tons ()

Appraisal
Structural: Meets minimum tolerable limits to be left in place as is [4]
Deck Geometry: Meets minimum tolerable limits to be left in place as is [4]
Road Alignment: Equal to present minimum criteria [6]
Waterway: Equal to present minimum criteria [6] and Countermeasures have been installed to mitigate an existing problem with scour. [7]
Inspections
Date: June 2020 [0620] and Frequency: 24

Future Work
Work Needed: Widening of existing bridge with deck rehabilitation or replacement. [34]
Bridge Detour: 0.3 km = 0.2 mi
Traffic
ADT: 7813 (2018) and Trucks: 3%
Future ADT: 7849 (In 2039 )

RTE 37B over GRASSE RIVER (Route: 37)
Num:1024009x
Open: no restriction [A]
Built: 2018, Reconstructed: N/A [0000]
Historic: Bridge is not eligible for the NRHP. [5]

Google Streetview (If Available)

Rough Distance: 0.4 Miles (0.6 Kilometers)

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: Integral Concrete (separate non-modified layer of concrete added to structural deck) [2]

Bridge Dimensions
Length: 258.2 m = 847.2 ft
Main Spans: 4 at 71 m = 233.0 ft
Approach Spans: 0
Skew: 25
Width, Roadway: 9.8 m = 32.2 ft (2 Lanes) and Out-To-Out: 12.6 m = 41.3 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
Massena [46019]: St. Lawrence County [089], New York [36]
Owned by State Highway Agency [01], DOT District: 75
.9 MI W JCT SH 37B & SH37

Condition
Deck: Very Good [8]
Superstructure: Excellent [9]
Substructure: Excellent [9]
Loading
Design: HL93 [A]
Operating: 86.2 metric ton = 94.8 tons (Load Factor(LF) [1])
Inventory: 51.7 metric ton = 56.9 tons (Load Factor(LF) [1])

Appraisal
Structural: Superior to present desirable criteria [9]
Deck Geometry: Meets minimum tolerable limits to be left in place as is [4]
Road Alignment: Equal to present desirable criteria [8]
Waterway: Somewhat better than minimum adequacy to tolerate being left in place as is [5] and Bridge foundations determined to be stable for assessed or calculated scour conditions; field review indicates action is required. [4]
Inspections
Date: August 2020 [0820] and Frequency: 24

Future Work
Work Needed: Widening of existing bridge with deck rehabilitation or replacement. [34]
Bridge Detour: 0.1 km = 0.1 mi
Traffic
ADT: 3676 (2018) and Trucks: 4%
Future ADT: 3693 (In 2039 )