Share:

COUNTY RD 597 over OYSTER CR

Map

Coordinates:
+40.02475, -91.49339
40°01'29" N, 91°29'36" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:COUNTY RD 597 over OYSTER CR
Structure number:20999
Location:S 6 T 60 N R 5 W
Purpose:Carries highway over waterway
Route classification:Local (Rural) [09]
Length of largest span:44.9 ft. [13.7 m]
Total length:46.9 ft. [14.3 m]
Roadway width between curbs:17.7 ft. [5.4 m]
Deck width edge-to-edge:18.0 ft. [5.5 m]
Skew angle:35°
Owner:County Highway Agency [02]
Year built:1910
Historic significance:Historical significance is not determinable at this time [4]
Main span material:Steel [3]
Main span design:Truss - Thru [10]
Deck type:Concrete Cast-in-Place [1]

Latest Available Inspection: January 2018

Good/Fair/Poor Condition:Poor
Status:Posted for load [P]
Average daily traffic:15 [as of 2018]
Truck traffic:10% of total traffic
Deck condition:Fair [5 out of 9]
Superstructure condition:Poor [4 out of 9]
Substructure condition:Fair [5 out of 9]
Structural appraisal:Basically intolerable requiring high priority of replacement [2]
Deck geometry appraisal:Basically intolerable requiring high priority of corrrective action [3]
Water adequacy appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Roadway alignment appraisal:Equal to present minimum criteria [6]
Channel protection:Bank is beginning to slump. River control devices and embankment protection have widespread minor damage. There is minor stream bed movement evident. Debris is restricting the channel slightly. [6]
Scour condition:Bridge foundations determined to be stable for assessed or calculated scour condition. [5]
Sufficiency rating:33.7
Recommended work:Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Estimated cost of work:$229,000

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
January 2018PoorFairPoorFair1533.7
January 2016FairFairFairFair1544.0
January 2014FairFairFairFair1544.0
January 2012FairFairFairFair1544.0
January 2010FairFairFairFair1544.0
January 2008FairFairFairFair1544.0
January 2006FairFairFairFair1544.0
January 2004FairFairFairFair1544.0
December 2001FairFairFairFair1544.0
December 1999FairFairFairFair1544.0