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Nearby Bridges in NBI 2021: 4


NJ 173 over MULHOCKAWAY CREEK (Route: 173)
Num:1024151x
Open: no restriction [A]
Built: 1919, Reconstructed: N/A [0000]
Historic: Bridge is not eligible for the NRHP. [5]

Google Streetview (If Available)

Rough Distance: 0 Miles (0 Kilometers)

Bridge Type
Main Span(s): Steel [3] Girder and floorbeam system [03]
Approach Span(s): Other [00]
Deck: Concrete Cast-in-Place [1] with Wearing Surface: Bituminous [6]
Bridge Dimensions
Length: 21.6 m = 70.9 ft
Main Spans: 1 at 21 m = 68.9 ft
Approach Spans: 0
Skew: 45
Width, Roadway: 8.9 m = 29.2 ft (2 Lanes) and Out-To-Out: 9.3 m = 30.5 ft for a 9.1 m = 29.9 ft approaching roadway.
Vertical Clearance: 30.45 m = 99.9 ft and Navigational Clearance: 0 = N/A
Location
Union [74420]: Hunterdon County [019], New Jersey [34]
Owned by State Highway Agency [01], DOT District: 2
0.5 MI E OF I-78 & CR 614
Condition
Deck: Fair [5]
Superstructure: Poor [4]
Substructure: Fair [5]
Loading
Design:
Operating: 53.5 metric ton = 58.9 tons (Load Factor(LF) [1])
Inventory: 31.8 metric ton = 35.0 tons (Load Factor(LF) [1])
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 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: December 1999 [1299] 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: 0.2 km = 0.1 mi
Traffic
ADT: 4453 (2020) and Trucks: 5%
Future ADT: 5344 (In 2040 )
I-78 WB over MULHOCKAWAY CREEK (Route: 78)
Num:1015150x
Open: no restriction [A]
Built: 1952, Reconstructed: 1968
Historic: Historical significance is not determinable at this time. [4]

Google Streetview (If Available)

Rough Distance: 0 Miles (0 Kilometers)

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: 21.9 m = 71.9 ft
Main Spans: 1 at 20.4 m = 66.9 ft
Approach Spans: 0
Skew: 45
Width, Roadway: 15.5 m = 50.9 ft (3 Lanes) and Out-To-Out: 17.2 m = 56.4 ft for a 15.5 m = 50.9 ft approaching roadway.
Vertical Clearance: 30.45 m = 99.9 ft and Navigational Clearance: 0 = N/A
Location
Union [74420]: Hunterdon County [019], New Jersey [34]
Owned by State Highway Agency [01], DOT District: 2
1.1 MI W OF I-78 EXIT 12
Condition
Deck: Satisfactory [6]
Superstructure: Satisfactory [6]
Substructure: Satisfactory [6]
Loading
Design: MS 18 / HS 20 [5]
Operating: 99.9 metric ton = 109.9 tons (Load Factor(LF) [1])
Inventory: 76.2 metric ton = 83.8 tons (Load Factor(LF) [1])
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 assessed or calculated scour condition. [5]
Inspections
Date: February 2020 [0220] and Frequency: 24
Future Work
Work Needed:
Bridge Detour: 0.2 km = 0.1 mi
Traffic
ADT: 50909 (2020) and Trucks: 14%
Future ADT: 71272 (In 2040 )
I-78 EASTBOUND over MULHOCKAWAY CREEK (Route: 78)
Num:1015158x
Open: no restriction [A]
Built: 1967, Reconstructed: 1986
Historic: Historical significance is not determinable at this time. [4]

Google Streetview (If Available)

Rough Distance: 0.1 Miles (0.1 Kilometers)

Bridge Type
Main Span(s): Prestressed concrete [5] Stringer/Multi-beam or girder [02]
Approach Span(s): Other [00]
Deck: Concrete Cast-in-Place [1] with Wearing Surface:
Bridge Dimensions
Length: 23.8 m = 78.1 ft
Main Spans: 1 at 20.7 m = 67.9 ft
Approach Spans: 0
Skew: 45
Width, Roadway: 15.5 m = 50.9 ft (3 Lanes) and Out-To-Out: 17.2 m = 56.4 ft for a 15.5 m = 50.9 ft approaching roadway.
Vertical Clearance: 30.45 m = 99.9 ft and Navigational Clearance: 0 = N/A
Location
Union [74420]: Hunterdon County [019], New Jersey [34]
Owned by State Highway Agency [01], DOT District: 2
1.1 MI W OF EXIT 12
Condition
Deck: Good [7]
Superstructure: Good [7]
Substructure: Good [7]
Loading
Design: MS 18 / HS 20 [5]
Operating: 56.2 metric ton = 61.8 tons (Load Factor(LF) [1])
Inventory: 33.6 metric ton = 37.0 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: Superior to present desirable criteria [9] and Bridge foundations determined to be stable for assessed or calculated scour condition. [5]
Inspections
Date: February 2020 [0220] and Frequency: 24
Future Work
Work Needed:
Bridge Detour: 0.2 km = 0.1 mi
Traffic
ADT: 50909 (2020) and Trucks: 14%
Future ADT: 71272 (In 2040 )
I-78EB FRONTAGE RD over MULHOCKAWAY CREEK (Route: 0)
Num:1015157x
Open: no restriction [A]
Built: 1967, Reconstructed: N/A [0000]
Historic: Historical significance is not determinable at this time. [4]

Google Streetview (If Available)

Rough Distance: 0.1 Miles (0.2 Kilometers)

Bridge Type
Main Span(s): Prestressed concrete [5] Stringer/Multi-beam or girder [02]
Approach Span(s): Other [00]
Deck: Concrete Cast-in-Place [1] with Wearing Surface: Monolithic Concrete (concurrently placed with structural deck) [1]
Bridge Dimensions
Length: 21.9 m = 71.9 ft
Main Spans: 1 at 20.4 m = 66.9 ft
Approach Spans: 0
Skew: 45
Width, Roadway: 9.8 m = 32.2 ft (2 Lanes) and Out-To-Out: 12.6 m = 41.3 ft for a 7.3 m = 24.0 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A
Location
Union [74420]: Hunterdon County [019], New Jersey [34]
Owned by State Highway Agency [01], DOT District: 2
0.56 MI E OF I-78 EXIT 11
Condition
Deck: Satisfactory [6]
Superstructure: Good [7]
Substructure: Good [7]
Loading
Design: MS 18+Mod / HS 20+Mod [6]
Operating: 48.1 metric ton = 52.9 tons (Load Factor(LF) [1])
Inventory: 29 metric ton = 31.9 tons (Load Factor(LF) [1])
Appraisal
Structural: Better than present minimum criteria [7]
Deck Geometry: Equal to present minimum criteria [6]
Road Alignment: Better than present minimum criteria [7]
Waterway: Superior to present desirable criteria [9] and Bridge is scour critical; bridge foundations determined to be unstable. [3]
Inspections
Date: May 1999 [599] and Frequency: 24
Future Work
Work Needed: Other structural work: including hydraulic replacements. [38]
Bridge Detour: 0.2 km = 0.1 mi
Traffic
ADT: 530 (2019) and Trucks: 3%
Future ADT: 636 (In 2039 )

Special Bridge Conditions Legend: R - Former location of relocated bridge. ! - At risk for demolition or destruction. X - Confirmed demolished or collapsed. S  - Dismantled and/or in storage. L -  Severe loss of historic integrity due to alteration.

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