HistoricBridges.org Menu: HistoricBridges.org Menu:



BridgeSeek

Nearby Bridges in NBI 2021: 1


JOHNSON IA RD over STREAM (Route: 0)
Num:205241x
Open: no restriction [A]
Built: 2015, 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] Slab [01]
Approach Span(s): Other [00]
Deck: Wood or Timber [8] with Wearing Surface: Bituminous [6]
Bridge Dimensions
Length: 29 m = 95.1 ft
Main Spans: 5 at 7.3 m = 24.0 ft
Approach Spans: 0
Skew: 10
Width, Roadway: 7.3 m = 24.0 ft (2 Lanes) and Out-To-Out: 7.5 m = 24.6 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
Unknown [00000]: Johnson County [103], Iowa [19]
Owned by County Highway Agency [02], DOT District: 0
NW1/4:30:T80N:R8W
Condition
Deck: Good [7]
Superstructure: Good [7]
Substructure: Very Good [8]
Loading
Design: MS 18 / HS 20 [5]
Operating: 55.2 metric ton = 60.7 tons (Allowable Stress(AS) [2])
Inventory: 39.3 metric ton = 43.2 tons (Allowable Stress(AS) [2])
Appraisal
Structural: Better than present minimum criteria [7]
Deck Geometry: Equal to present minimum criteria [6]
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: April 1999 [499] and Frequency: 24
Future Work
Work Needed:
Bridge Detour: 0.6 km = 0.4 mi
Traffic
ADT: 60 (2018) and Trucks: 0%
Future ADT: 60 (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.

Divider

Back

Top

Divider

About - Contact

Divider