PR 830 over UNKNOWN CREEK

Map

Coordinates:
+18.34576, -66.17385
18°20'45" N, 66°10'26" W

Source: National Bridge Inventory. Information not verified; use at your own risk.

Name:	PR 830 over UNKNOWN CREEK
Structure number:	006671
Location:	10 KM SOUTH OF BAYAMON
Purpose:	Carries highway over waterway
Route classification:	Collector (Urban) `[17]`
Length of largest span:	26.9 ft. `[8.2 m]`
Total length:	26.9 ft. `[8.2 m]`
Skew angle:	33°
Owner:	State Highway Agency `[01]`
Year built:	1952
Historic significance:	Bridge is not eligible for the National Register of Historic Places `[5]`
Design load:	M 13.5 / H 15 `[2]`
Main span material:	Concrete `[1]`
Main span design:	Culvert `[19]`
Deck type:	Not applicable `[N]`

Good/Fair/Poor Condition:	Poor
Status:	Open, no restriction `[A]`
Average daily traffic:	25,300 `[as of 2002]`
Truck traffic:	4% of total traffic
Structural appraisal:	Meets minimum tolerable limits to be left in place as is `[4]`
Water adequacy appraisal:	Equal to present minimum criteria `[6]`
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:	Navigation protection not required `[1]`
Culvert condition:	Large spalls, heavy scaling, wide cracks, considerable efflorescence or opened construction joint permitting loss of backfill. Considerable settlement or misalignment. Considerable scouring or erosion at curtain walls, wingwalls or pipes. Metal culverts have significant distortion and deflection throughout, extensive corrosion or deep pitting. `[4]`
Scour condition:	Bridge foundations determined to be stable for the assessed or calculated scour condition. `[8]`
Sufficiency rating:	56.1
Recommended work:	Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. `[31]`
Estimated cost of work:	$782,000

Date	Condition	Culvert Condition	ADT	Suff. Rating
September 2018	Poor	4 out of 10	25300	56.1
August 2017	Good	7 out of 10	25300	87.5
August 2016	Poor	4 out of 10	9400	64.8
July 2015	Poor	4 out of 10	9400	64.8
July 2014	Poor	4 out of 10	9400	64.8
July 2013	Poor	4 out of 10	9400	64.8
August 2012	Poor	4 out of 10	10200	64.4
August 2011	Poor	4 out of 10	10200	66.6
August 2010	Fair	5 out of 10	10200	82.7
January 2009	Fair	5 out of 10	10200	82.7
January 2007	Fair	5 out of 10	9400	45.5
September 2005	Fair	6 out of 10	9400	54.1
March 2003	Fair	6 out of 10	9400	54.1
January 2002	Poor	4 out of 10	9400	29.5
July 1999	Poor	4 out of 10	5500	34.3
April 1998	Poor	4 out of 10	12400	26.0
April 1997	Poor	4 out of 10	3500	36.7
April 1995	Poor	4 out of 10	4800	35.1
February 1993	Poor	3 out of 10	2420	38.0
March 1991	Poor	3 out of 10	2420	38.0

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.

Element	Units	Quantity	1-Good	2-Fair	3-Poor	4-Serious
Culvert
Reinforced Concrete Culvert	linear ft.	82	0	43	39	0
Bridge Rail
Steel or Aluminum Bridge Rail	linear ft.	52	26	26	0	0
Reinforced Concrete Bridge Rail	linear ft.	30	23	7	0	0