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Nearby Bridges in NBI 2021: 1


438th Avenue over BN Railroad (Route: 0)
Num:29020051x
Posted for load [P]
Built: 1936, Reconstructed: N/A [0000]
Historic: Bridge is eligible for the NRHP. [2]

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: 45.1 m = 148.0 ft
Main Spans: 5 at 12.8 m = 42.0 ft
Approach Spans: 0
Skew: 0
Width, Roadway: 7.4 m = 24.3 ft (2 Lanes) and Out-To-Out: 8.3 m = 27.2 ft for a 8.5 m = 27.9 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A
Location
Brantford [07020]: Hamlin County [057], South Dakota [46]
Owned by County Highway Agency [02], DOT District: 1
3.5W & 2.1S of Hazel
Condition
Deck: Serious [3]
Superstructure: Serious [3]
Substructure: Serious [3]
Loading
Design: M 13.5 / H 15 [2]
Operating: 16.3 metric ton = 17.9 tons ()
Inventory: 12.2 metric ton = 13.4 tons ()
Appraisal
Structural: Basically intolerable requiring high priority of corrrective action [3]
Deck Geometry: Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Road Alignment: Meets minimum tolerable limits to be left in place as is [4]
Waterway: N/A [N] and Bridge not over waterway. [N]
Inspections
Date: June 2020 [0620] 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: 1.6 km = 1.0 mi
Traffic
ADT: 200 (2018) and Trucks: 2%
Future ADT: 200 (In 2032 )

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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