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US 29 over NORTHWEST BRANCH

Map

Coordinates:
+39.02997, -77.00596
39°01'48" N, 77°00'21" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:US 29 over NORTHWEST BRANCH
Structure number:100000150009010
Location:0.27 M S OF LOCKWOOD DR
Purpose:Carries highway and pedestrian walkway over waterway
Route classification:Other Principal Arterial (Urban) [14]
Length of largest span:47.9 ft. [14.6 m]
Total length:51.5 ft. [15.7 m]
Roadway width between curbs:84.0 ft. [25.6 m]
Deck width edge-to-edge:96.5 ft. [29.4 m]
Owner:State Highway Agency [01]
Year built:1920
Year reconstructed:1961
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 18 / HS 20 [5]
Main span material:Concrete [1]
Main span design:Arch - Deck [11]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Bituminous [6]

Latest Available Inspection: January 2016

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:66,300 [as of 2013]
Truck traffic:8% of total traffic
Deck condition:Fair [5 out of 9]
Superstructure condition:Satisfactory [6 out of 9]
Substructure condition:Fair [5 out of 9]
Structural appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Deck geometry appraisal:Superior to present desirable criteria [9]
Water adequacy appraisal:Basically intolerable requiring high priority of corrrective action [3]
Roadway alignment appraisal:Equal to present desirable criteria [8]
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]
Pier/abutment protection:None present but re-evaluation suggested [5]
Scour condition:Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Operating rating:36.0 tons [32.7 metric tons]
Inventory rating:36.0 tons [32.7 metric tons]
Sufficiency rating:69.0
Recommended work:Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Estimated cost of work:$330,000

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
January 201669.0FairFairSatisfactoryFairFO66300
April 201469.0FairFairSatisfactoryFairFO66300
April 201369.0FairFairSatisfactoryFairFO60462
April 201269.0FairFairSatisfactoryFairFO60462
April 201169.0FairFairSatisfactoryFairFO60462
April 201069.0FairFairSatisfactoryFairFO60462
May 200973.0FairFairSatisfactoryFair-59552
July 200773.0FairFairSatisfactoryFair-65550
April 200673.0FairFairSatisfactoryFair-65550
April 200474.0FairSatisfactorySatisfactoryFair-65550
April 200274.0FairSatisfactorySatisfactoryFair-61125
April 200074.0FairSatisfactorySatisfactoryFair-61125
August 199874.0FairSatisfactorySatisfactoryFair-61125
August 199574.0FairSatisfactorySatisfactoryFair-56000
August 199374.0FairSatisfactoryGoodFair-56000
August 199172.0FairSatisfactorySatisfactoryFair-56000