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8 MILE RD over MILK RIVER 078

Map

Coordinates:
+48.55444, -108.95250
48°33'16" N, 108°57'09" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:8 MILE RD over MILK RIVER 078
Structure number:L03305012+08001
Location:5M SE ZURICH
Purpose:Carries highway over waterway
Route classification:Local (Rural) [09]
Length of largest span:120.1 ft. [36.6 m]
Total length:245.4 ft. [74.8 m]
Roadway width between curbs:19.4 ft. [5.9 m]
Deck width edge-to-edge:20.7 ft. [6.3 m]
Vertical clearance above deck:11.8 ft. [3.6 m]
Owner:County Highway Agency [02]
Year built:1930
Year reconstructed:1940
Historic significance:Bridge is eligible for the National Register of Historic Places [2]
Main span material:Steel [3]
Main span design:Truss - Thru [10]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Monolithic Concrete (concurrently placed with structural deck) [1]

Latest Available Inspection: July 2017

Good/Fair/Poor Condition:Fair
Status:Posted for load [P]
Average daily traffic:100 [as of 2003]
Deck condition:Fair [5 out of 9]
Superstructure condition:Fair [5 out of 9]
Substructure condition:Good [7 out of 9]
Structural appraisal:Basically intolerable requiring high priority of replacement [2]
Deck geometry appraisal:Basically intolerable requiring high priority of replacement [2]
Water adequacy appraisal:Equal to present desirable criteria [8]
Roadway alignment appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Channel protection:Bank protection is in need of minor repairs. River control devices and embankment protection have a little minor damage. Banks and/or channel have minor amounts of drift. [7]
Scour condition:Bridge foundations determined to be stable for assessed or calculated scour condition. [5]
Sufficiency rating:41.0
Recommended work:Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Estimated cost of work:$1,022,000

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
July 2017FairFairFairGood10041.0
July 2015FairFairFairGood10041.0
July 2013FairFairFairGood10041.0
July 2011FairFairFairGood10041.0
July 2009FairFairFairGood10045.0
June 2007FairFairFairGood10045.0
April 2005FairFairFairGood10045.0
March 2003FairFairFairGood10045.0
September 2001FairFairFairGood10045.0
April 1999FairFairFairGood10045.0
October 1996FairFairFairGood10045.0
August 1994FairFairFairGood3146.1
February 1992FairFairFairGood3144.4
March 1990FairGoodFairFair9645.3