+18.25333, -65.66167
18°15'12" N, 65°39'42" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:PR 974 over DAGUAO RIVER
Structure number:006711
Purpose:Carries highway and pedestrian walkway over waterway
Route classification:Minor Collector (Rural) [08]
Length of largest span:5.9 ft. [1.8 m]
Total length:22.6 ft. [6.9 m]
Roadway width between curbs:16.1 ft. [4.9 m]
Deck width edge-to-edge:31.8 ft. [9.7 m]
Owner:State Highway Agency [01]
Year built:1953
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Number of main spans:3
Main spans material:Concrete [1]
Main spans design:Culvert [19]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Bituminous [6]

Latest Available Inspection: December 2017

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:600 [as of 2005]
Truck traffic:2% of total traffic
Structural appraisal:Equal to present minimum criteria [6]
Water adequacy appraisal:Meets minimum tolerable limits to be left in place as is [4]
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]
Culvert condition:Deterioration or initial disintegration, minor chloride contamination, cracking with some leaching, or spalls on concrete or masonry walls and slabs. Local minor scouring at curtain walls, wingwalls or pipes. Metal culverts have a smooth curvature, non-symmetrical shape, significant corrosion or moderate pitting. [6]
Scour condition:Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Sufficiency rating:79.7
Recommended work:Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Estimated cost of work:$32,000

Previous Inspections

DateConditionCulvert ConditionADTSuff. Rating
December 2017Fair6 out of 1060079.7
September 2015Fair6 out of 1060079.7
September 2013Fair6 out of 1060079.7
September 2011Fair6 out of 1060079.7
September 2009Fair6 out of 1060079.7
February 2008Fair6 out of 1060079.7
February 2006Fair6 out of 1060056.4
February 2004Fair6 out of 1060056.4
September 2001Fair6 out of 1060056.4
October 1999Fair6 out of 1060056.4
July 1997Good7 out of 1060056.4
May 1995Good7 out of 1060056.4
April 1993Good7 out of 1060071.5
July 1991Fair6 out of 1060071.5

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
Reinforced Concrete Culvertlinear ft.95395600
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.39291000