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MOUNTAIN ROAD over EWING NARROWS

Cumberland County, Maine

Map

Coordinates:
+43.81639, -69.95308
43°48'59" N, 69°57'11" W

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Facts

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

Name:	MOUNTAIN ROAD over EWING NARROWS
Structure number:	6217
Location:	1.8 MI NW OF JCT RTE 24
Purpose:	Carries highway over waterway
Route classification:	Major Collector (Rural) `[07]`
Length of largest span:	259.9 ft. `[79.2 m]`
Total length:	684.1 ft. `[208.5 m]`
Roadway width between curbs:	27.9 ft. `[8.5 m]`
Deck width edge-to-edge:	32.2 ft. `[9.8 m]`
Vertical clearance below bridge:	29.5 ft. `[9.0 m]`
Owner:	State Highway Agency `[01]`
Year built:	1974
Historic significance:	Historical significance is not determinable at this time `[4]`
Design load:	MS 18 / HS 20 `[5]`
Number of main spans:	3
Main spans material:	Steel continuous `[4]`
Main spans design:	Stringer/Multi-beam or girder `[02]`
Deck type:	Concrete Cast-in-Place `[1]`
Wearing surface:	Bituminous `[6]`

Latest Available Inspection: September 2018

Good/Fair/Poor Condition:	Fair
Status:	Open, no restriction `[A]`
Average daily traffic:	2,280 `[as of 2016]`
Truck traffic:	5% of total traffic
Deck condition:	Satisfactory `[6 out of 9]`
Superstructure condition:	Satisfactory `[6 out of 9]`
Substructure condition:	Good `[7 out of 9]`
Structural appraisal:	Equal to present minimum criteria `[6]`
Deck geometry appraisal:	Meets minimum tolerable limits to be left in place as is `[4]`
Water adequacy appraisal:	Superior to present desirable criteria `[9]`
Roadway alignment appraisal:	Equal to present desirable criteria `[8]`
Channel protection:	Bank protection is in need of minor repairs. River control devices and embankment protection have a little minor damage. Banks and/or channel have minor amounts of drift. `[7]`
Scour condition:	Bridge foundations determined to be stable for the assessed or calculated scour condition. `[8]`
Sufficiency rating:	87.7

Previous Inspections

Date	Condition	Deck	Superstructure	Substructure	ADT	Suff. Rating
September 2018	Fair	Satisfactory	Satisfactory	Good	2280	87.7
October 2016	Fair	Satisfactory	Good	Good	2527	84.4
June 2015	Fair	Satisfactory	Good	Good	2430	88.5
December 2014	Fair	Satisfactory	Good	Good	2380	88.5
October 2013	Fair	Satisfactory	Good	Good	2215	88.6
February 2012	Fair	Satisfactory	Good	Good	2240	88.6
January 2010	Good	Good	Very Good	Good	2291	88.6
October 2007	Good	Good	Good	Good	2330	88.5
November 2005	Good	Good	Good	Good	2270	88.6
January 2004	Good	Good	Good	Good	1926	89.9
November 2001	Good	Good	Good	Good	1899	89.9
October 1999	Good	Good	Good	Good	1859	90.0
October 1997	Good	Good	Good	Good	1801	90.0
June 1995	Good	Good	Very Good	Good	1738	89.2
August 1993	Good	Good	Good	Good	1673	89.3
July 1991	Good	Good	Good	Good	1624	89.3

Element Data

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

Element	Units	Quantity	1-Good	2-Fair	3-Poor	4-Serious
Superstructure
Steel Girder/Beam	linear ft.	2,736	2,696	40	0	0
Steel Protective Coating	sq. ft.	2,736	2,422	274	40	0
Deck
Reinforced Concrete Deck	sq. ft.	21,888	20,793	1,095	0	0
Substructure
Reinforced Concrete Pier Wall	linear ft.	30	28	2	0	0
Reinforced Concrete Abutment	linear ft.	64	55	9	0	0
Reinforced Concrete Pier Cap	linear ft.	62	60	2	0	0
Joints
Compression Joint	linear ft.	32	0	32	0	0
Open Joint	linear ft.	32	32	0	0	0
Bearings
Movable Bearing	each	12	4	8	0	0
Steel Protective Coating	sq. ft.	12	4	4	4	0
Fixed Bearing	each	4	0	4	0	0
Steel Protective Coating	sq. ft.	4	0	0	4	0

© Copyright 2012-20, James Baughn
Disclaimer: All data is taken from the National Bridge Inventory and has not been verified.
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