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Co Rd 54A over Middle Boulder Creek

Map

Coordinates:
+39.98136, -105.45411
39°58'53" N, 105°27'15" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:Co Rd 54A over Middle Boulder Creek
Structure number:BCPOS-LOWER BR
Location:Castle Rock Pull Off
Purpose:Carries highway over waterway
Route classification:Local (Rural) [09]
Length of largest span:20.3 ft. [6.2 m]
Total length:23.6 ft. [7.2 m]
Roadway width between curbs:20.3 ft. [6.2 m]
Deck width edge-to-edge:22.3 ft. [6.8 m]
Skew angle:30°
Owner:Other Local Agencies [25]
Year built:1917
Historic significance:Bridge is possibly eligible for the National Register of Historic Places [3]
Main span material:Concrete [1]
Main span design:Slab [01]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Gravel [8]

Latest Available Inspection: January 2016

Good/Fair/Poor Condition:Poor
Status:Posted for load [P]
Average daily traffic:75 [as of 2011]
Deck condition:Fair [5 out of 9]
Superstructure condition:Fair [5 out of 9]
Substructure condition:Serious [3 out of 9]
Structural appraisal:Basically intolerable requiring high priority of replacement [2]
Deck geometry appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Water adequacy appraisal:Equal to present minimum criteria [6]
Roadway alignment appraisal:Equal to present minimum criteria [6]
Channel protection:Bank protection is being eroded. River control devices and/or embankment have major damage. Trees and rush restrict the channel. [5]
Pier/abutment protection:Navigation protection not required [1]
Scour condition:Bridge is scour critical; field review indicates that extensive scour has occurred at bridge foundations. [2]
Operating rating:10.0 tons [9.1 metric tons]
Inventory rating:8.0 tons [7.3 metric tons]
Sufficiency rating:39.0
Recommended work:Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Estimated cost of work:$716,000

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
January 201639.0PoorFairFairSeriousSD75
January 201539.0PoorFairFairSeriousSD75

Element Data

Source: National Bridge Elements dataset, 2016 edition. This feature is experimental.
ElementUnitsQuantity1. Good2. Fair3. Poor4. Serious
Substructure
Reinforced Concrete Abutmentlinear ft.51052026
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.4846200
Deck
Reinforced Concrete Slabsq. ft.5264943200