COUNTY ROAD over ANTLER CREEK (Route: 0)
Num:5110010x
Bridge closed to all traffic [K]
Built: 1934, 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): Wood or timber [7] Stringer/Multi-beam or girder [02]
Approach Span(s): Other [00]
Deck: Wood or Timber [8] with Wearing Surface: Gravel [8]

Bridge Dimensions
Length: 32.9 m = 107.9 ft
Main Spans: 7 at 4.9 m = 16.1 ft
Approach Spans: 0
Skew: 0
Width, Roadway: 7.1 m = 23.3 ft (2 Lanes) and Out-To-Out: 7.4 m = 24.3 ft for a 4.9 m = 16.1 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A

Location
Antler [02700]: Bottineau County [009], North Dakota [38]
Owned by County Highway Agency [02], DOT District: 64
2 NORTH OF ANTLER

Condition
Deck: Satisfactory [6]
Superstructure: Fair [5]
Substructure: Serious [3]
Loading
Design:
Operating: 14.4 metric ton = 15.8 tons (Allowable Stress(AS) [2])
Inventory: 9 metric ton = 9.9 tons (Allowable Stress(AS) [2])

Appraisal
Structural:
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: Better than present minimum criteria [7] and "Bridge with ""unknown"" foundation that has not been evaluated for scour. [U]"
Inspections
Date: September 2020 [0920] and Frequency: 12

Future Work
Work Needed: Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Bridge Detour: 0.3 km = 0.2 mi
Traffic
ADT: 25 (2018) and Trucks: 0%
Future ADT: 25 (In 2038 )

ND HIGHWAY 256 over SOUTH ANTLER CREEK (Route: 256)
Num:256015977x
Open: no restriction [A]
Built: 1970, 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): Concrete continuous [2] Tee beam [04]
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: 35.1 m = 115.2 ft
Main Spans: 3 at 12.8 m = 42.0 ft
Approach Spans: 0
Skew: 30
Width, Roadway: 9.8 m = 32.2 ft (2 Lanes) and Out-To-Out: 11.2 m = 36.7 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
Antler [02700]: Bottineau County [009], North Dakota [38]
Owned by State Highway Agency [01], DOT District: 64
.5 S OF CANADIAN BORDER

Condition
Deck: Good [7]
Superstructure: Good [7]
Substructure: Good [7]
Loading
Design: MS 22.5 / HS 25 or greater [9]
Operating: 66 metric ton = 72.6 tons (Load Factor(LF) [1])
Inventory: 39.5 metric ton = 43.5 tons (Load Factor(LF) [1])

Appraisal
Structural: Better than present minimum criteria [7]
Deck Geometry: Better than present minimum criteria [7]
Road Alignment: Equal to present desirable criteria [8]
Waterway: Equal to present desirable criteria [8] and Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Inspections
Date: October 2020 [1020] and Frequency: 24

Future Work
Work Needed:
Bridge Detour: 19.9 km = 12.3 mi
Traffic
ADT: 120 (2019) and Trucks: 42%
Future ADT: 120 (In 2039 )