RTE US 1A over NARRAGUAGUS RIVER

Map

Coordinates:
+44.54121, -67.88171
44°32'28" N, 67°52'54" W

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

Name:	RTE US 1A over NARRAGUAGUS RIVER
Structure number:	1475
Location:	.3 MI N JCT 1-1AON1A
Purpose:	Carries highway over waterway
Route classification:	Minor Arterial (Rural) `[06]`
Length of largest span:	86.0 ft. `[26.2 m]`
Total length:	90.9 ft. `[27.7 m]`
Roadway width between curbs:	30.8 ft. `[9.4 m]`
Deck width edge-to-edge:	36.1 ft. `[11.0 m]`
Vertical clearance below bridge:	3.3 ft. `[1.0 m]`
Owner:	State Highway Agency `[01]`
Year built:	2008
Historic significance:	Bridge is eligible for the National Register of Historic Places `[2]`
Design load:	MS 22.5 / HS 25 `[9]`
Number of main spans:	2
Main spans material:	Prestressed concrete `[5]`
Main spans design:	Slab `[01]`
Deck type:	Concrete Precast Panels `[2]`
Wearing surface:	Bituminous `[6]`

Good/Fair/Poor Condition:	Good
Status:	Open, no restriction `[A]`
Average daily traffic:	4,658 `[as of 2016]`
Truck traffic:	5% of total traffic
Deck condition:	Very Good `[8 out of 9]`
Superstructure condition:	Very Good `[8 out of 9]`
Substructure condition:	Very Good `[8 out of 9]`
Structural appraisal:	Equal to present desirable criteria `[8]`
Deck geometry appraisal:	Meets minimum tolerable limits to be left in place as is `[4]`
Water adequacy appraisal:	Equal to present desirable criteria `[8]`
Roadway alignment appraisal:	Equal to present desirable criteria `[8]`
Channel protection:	Banks are protected or well vegetated. River control devices such as spur dikes and embankment protection are not required or are in a stable condition. `[8]`
Pier/abutment protection:	Navigation protection not required `[1]`
Scour condition:	Bridge foundations determined to be stable for the assessed or calculated scour condition. `[8]`
Sufficiency rating:	79.4

Date	Condition	Deck	Superstructure	Substructure	ADT	Suff. Rating
August 2018	Good	Very Good	Very Good	Very Good	4658	79.4
December 2016	Good	Very Good	Very Good	Very Good	4428	79.4
May 2015	Good	Very Good	Very Good	Very Good	4090	76.5
May 2014	Good	Very Good	Very Good	Very Good	4119	76.2
June 2012	Good	Very Good	Very Good	Very Good	4190	76.1
June 2010	Good	Very Good	Very Good	Very Good	4072	76.3
February 2009	Good	Excellent	Excellent	Excellent	4000	76.4
August 2007	Poor	Fair	Poor	Fair	4129	31.3
March 2007	Fair	Satisfactory	Fair	Fair	4179	45.4
February 2006	Fair	Satisfactory	Fair	Fair	4162	45.5
September 2004	Fair	Satisfactory	Fair	Fair	4362	44.4
December 2003	Fair	Satisfactory	Fair	Fair	4419	44.2
November 2002	Fair	Satisfactory	Fair	Fair	4371	44.3
July 2001	Fair	Satisfactory	Fair	Fair	4375	49.1
September 2000	Fair	Satisfactory	Fair	Fair	4460	49.0
January 2000	Fair	Satisfactory	Fair	Fair	4398	49.1
November 1998	Poor	Fair	Fair	Poor	4346	35.5
December 1997	Poor	Fair	Fair	Poor	4320	35.6
July 1996	Poor	Fair	Fair	Poor	4290	43.5
June 1994	Fair	Satisfactory	Satisfactory	Satisfactory	3818	66.8
August 1992	Fair	Satisfactory	Good	Satisfactory	3706	66.9
July 1990	Fair	Good	Satisfactory	Satisfactory	3630	69.6

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

Element	Units	Quantity	1-Good	2-Fair	3-Poor	4-Serious
Deck
Reinforced Concrete Deck	sq. ft.	3,172	3,172	0	0	0
Substructure
Reinforced Concrete Pier Wall	linear ft.	40	35	5	0	0
Reinforced Concrete Abutment	linear ft.	80	70	10	0	0
Reinforced Concrete Pier Cap	linear ft.	40	40	0	0	0
Bridge Rail
Steel or Aluminum Bridge Rail	linear ft.	330	330	0	0	0
Steel Protective Coating	sq. ft.	330	330	0	0	0