ROUTE US 1 over CARIBOU STR & WATER ST (Route: 1)
Num:6203x
Open: no restriction [A]
Built: 1968, Reconstructed: N/A [0000]
Historic: Historical significance is not determinable at this time. [4]

Google Streetview (If Available)

Rough Distance: 0.3 Miles (0.4 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: Bituminous [6]

Bridge Dimensions
Length: 46.9 m = 153.9 ft
Main Spans: 2 at 23.5 m = 77.1 ft
Approach Spans: 0
Skew: 16
Width, Roadway: 17.1 m = 56.1 ft (2 Lanes) and Out-To-Out: 18.1 m = 59.4 ft for a 16.2 m = 53.2 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A

Location
Caribou [10565]: Aroostook County [003], Maine [23]
Owned by State Highway Agency [01], DOT District: 5
0.5 MI N OF JCT RTE 161

Condition
Deck: Satisfactory [6]
Superstructure: Good [7]
Substructure: Good [7]
Loading
Design: MS 18 / HS 20 [5]
Operating: 41.8 metric ton = 46.0 tons (Load and Resistance Factor Rating (LRFR) rating reported by rating factor (RF) method using HL-93 loadings [8])
Inventory: 32.4 metric ton = 35.6 tons (Load and Resistance Factor Rating (LRFR) rating reported by rating factor (RF) method using HL-93 loadings [8])

Appraisal
Structural: Better than present minimum criteria [7]
Deck Geometry: Superior to present desirable criteria [9]
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: January 2020 [0120] and Frequency: 24

Future Work
Work Needed:
Bridge Detour: 16.1 km = 10.0 mi
Traffic
ADT: 6807 (2016) and Trucks: 5%
Future ADT: 9530 (In 2036 )

ROUTE 161 over RIVER:RR & STREET (Route: 161)
Num:5572x
Open: no restriction [A]
Built: 1952, Reconstructed: 2005
Historic: Bridge is eligible for the NRHP. [2]

Google Streetview (If Available)

Rough Distance: 0.3 Miles (0.5 Kilometers)

Bridge Type
Main Span(s): Steel continuous [4] Truss - Deck [09]
Approach Span(s): Steel [3] Stringer/Multi-beam or girder [02]
Deck: Concrete Cast-in-Place [1] with Wearing Surface: Monolithic Concrete (concurrently placed with structural deck) [1]

Bridge Dimensions
Length: 276.5 m = 907.2 ft
Main Spans: 3 at 76.2 m = 250.0 ft
Approach Spans: 4
Skew: 0
Width, Roadway: 8.5 m = 27.9 ft (2 Lanes) and Out-To-Out: 11.4 m = 37.4 ft for a 7.9 m = 25.9 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A

Location
Caribou [10565]: Aroostook County [003], Maine [23]
Owned by State Highway Agency [01], DOT District: 5
.01 MI E OF JCT RTE US1

Condition
Deck: Fair [5]
Superstructure: Fair [5]
Substructure: Satisfactory [6]
Loading
Design: M 18 / H 20 [4]
Operating: 18.8 metric ton = 20.7 tons (Load and Resistance Factor Rating (LRFR) rating reported by rating factor (RF) method using HL-93 loadings [8])
Inventory: 14.6 metric ton = 16.1 tons (Load and Resistance Factor Rating (LRFR) rating reported by rating factor (RF) method using HL-93 loadings [8])

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: Superior to present desirable criteria [9] and Countermeasures have been installed to mitigate an existing problem with scour. [7]
Inspections
Date: June 1999 [699] and Frequency: 24

Future Work
Work Needed:
Bridge Detour: 5 km = 3.1 mi
Traffic
ADT: 2790 (2016) and Trucks: 5%
Future ADT: 3906 (In 2036 )

BRIDGE STREET over CARIBOU STREAM (Route: 0)
Num:181x
Open: no restriction [A]
Built: 1983, Reconstructed: N/A [0000]
Historic: Bridge is not eligible for the NRHP. [5]

Google Streetview (If Available)

Rough Distance: 0.3 Miles (0.5 Kilometers)

Bridge Type
Main Span(s): Concrete [1] Culvert [19]
Approach Span(s): Other [00]
Deck: Not applicable [N] with Wearing Surface: Not applicable (applies only to structures with no deck) [N]

Bridge Dimensions
Length: 7.6 m = 24.9 ft
Main Spans: 1 at 7.6 m = 24.9 ft
Approach Spans: 0
Skew: 0
Width, Roadway: 0 m = 0.0 ft (2 Lanes) and Out-To-Out: 0 m = 0.0 ft for a 9.1 m = 29.9 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A

Location
Caribou [10565]: Aroostook County [003], Maine [23]
Owned by State Highway Agency [01], DOT District: 5
50 FT S OF JCT WATER ST

Condition
Deck: Not Applicable [N]
Superstructure: Not Applicable [N]
Substructure: Not Applicable [N]
Loading
Design: MS 22.5 / HS 25 or greater [9]
Operating: 52.2 metric ton = 57.4 tons (Load and Resistance Factor Rating (LRFR) rating reported by rating factor (RF) method using HL-93 loadings [8])
Inventory: 40.2 metric ton = 44.2 tons (Load and Resistance Factor Rating (LRFR) rating reported by rating factor (RF) method using HL-93 loadings [8])

Appraisal
Structural: Better than present minimum criteria [7]
Deck Geometry: N/A [N]
Road Alignment: Equal to present minimum criteria [6]
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 2020 [0920] and Frequency: 24

Future Work
Work Needed:
Bridge Detour: 0.2 km = 0.1 mi
Traffic
ADT: 461 (2016) and Trucks: 5%
Future ADT: 738 (In 2036 )