ST 88 over WATER WESTPORT RIVER
Map
Coordinates:
+41.51725, -71.0679541°31'02" N, 71°04'05" W
Facts
Source: National Bridge Inventory. Information not verified; use at your own risk.
Name: | ST 88 over WATER WESTPORT RIVER |
Structure number: | W300163W6DOTNBI |
Old structure number: | 3W6225643004101 (from 1992 edition) |
Location: | .8 MI S OF DRIFT RD. |
Purpose: | Carries highway and pedestrian walkway over waterway |
Route classification: | Major Collector (Rural) [07] |
Length of largest span: | 75.1 ft. [22.9 m] |
Total length: | 1025.0 ft. [312.4 m] |
Roadway width between curbs: | 60.0 ft. [18.3 m] |
Deck width edge-to-edge: | 71.9 ft. [21.9 m] |
Vertical clearance below bridge: | 19.7 ft. [6.0 m] |
Owner: | State Highway Agency [01] |
Year built: | 1958 |
Year reconstructed: | 2004 |
Historic significance: | Bridge is not eligible for the National Register of Historic Places [5] |
Design load: | MS 18 / HS 20 [5] |
Main span material: | Steel [3] |
Main span design: | Movable - Bascule [16] |
Deck type: | Concrete Cast-in-Place [1] |
Wearing surface: | Bituminous [6] |
Latest Available Inspection: October 2018
Good/Fair/Poor Condition: | Fair |
Status: | Open, no restriction [A] |
Average daily traffic: | 6,500 [as of 2018] |
Truck traffic: | 2% of total traffic |
Deck condition: | Good [7 out of 9] |
Superstructure condition: | Fair [5 out of 9] |
Substructure condition: | Satisfactory [6 out of 9] |
Structural appraisal: | Meets minimum tolerable limits to be left in place as is [4] |
Deck geometry appraisal: | Somewhat better than minimum adequacy to tolerate being left in place as is [5] |
Water adequacy appraisal: | Equal to present desirable criteria [8] |
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: | In place and functioning [2] |
Scour condition: | Bridge foundations determined to be stable for assessed or calculated scour conditions; field review indicates action is required. [4] |
Sufficiency rating: | 50.4 |
Recommended work: | Bridge rehabilitation because of general structure deterioration or inadequate strength. [35] |
Estimated cost of work: | $34,663,000 |
Previous Inspections
Date | Condition | Deck | Superstructure | Substructure | ADT | Suff. Rating |
---|
October 2018 | Fair | Good | Fair | Satisfactory | 6500 | 50.4 |
October 2016 | Fair | Good | Fair | Satisfactory | 6500 | 51.4 |
October 2014 | Fair | Good | Fair | Satisfactory | 7500 | 49.9 |
December 2012 | Fair | Good | Fair | Satisfactory | 7500 | 49.9 |
December 2010 | Poor | Very Good | Poor | Satisfactory | 7500 | 51.1 |
December 2008 | Poor | Very Good | Poor | Satisfactory | 7500 | 51.1 |
October 1998 | Poor | Satisfactory | Poor | Fair | 3000 | 23.6 |
January 1997 | Poor | Satisfactory | Poor | Fair | 2400 | 25.9 |
May 1995 | Poor | Satisfactory | Poor | Satisfactory | 2400 | 46.9 |
July 1991 | Fair | Good | Satisfactory | Satisfactory | 10750 | 75.3 |
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. | 9,978 | 9,168 | 0 | 810 | 0 |
Steel Protective Coating | sq. ft. | 89,118 | 68,968 | 5,000 | 5,100 | 10,050 |
Steel Stringer | linear ft. | 1,056 | 955 | 0 | 100 | 1 |
Steel Protective Coating | sq. ft. | 4,815 | 4,810 | 0 | 0 | 5 |
Deck |
Reinforced Concrete Deck | sq. ft. | 68,064 | 67,264 | 700 | 100 | 0 |
Wearing Surfaces | sq. ft. | 52,472 | 52,427 | 35 | 10 | 0 |
Superstructure |
Steel Floor Beam | linear ft. | 577 | 77 | 0 | 500 | 0 |
Steel Protective Coating | sq. ft. | 4,408 | 4,388 | 0 | 0 | 20 |
Substructure |
Reinforced Concrete Pier Wall | linear ft. | 160 | 137 | 15 | 8 | 0 |
Reinforced Concrete Abutment | linear ft. | 167 | 137 | 20 | 10 | 0 |
Steel Pile | each | 101 | 101 | 0 | 0 | 0 |
Reinforced Concrete Pier Cap | linear ft. | 770 | 570 | 185 | 15 | 0 |
Deck |
Open Grid Deck | sq. ft. | 3,248 | 3,248 | 0 | 0 | 0 |
Concrete Filled Grid Deck | sq. ft. | 1,680 | 1,640 | 0 | 40 | 0 |
Joints |
Strip Seal Joint | linear ft. | 239 | 39 | 200 | 0 | 0 |
Open Joint | linear ft. | 119 | 119 | 0 | 0 | 0 |
Bearings |
Elastomeric Bearing | each | 170 | 50 | 86 | 34 | 0 |
Other Bearing | each | 16 | 15 | 1 | 0 | 0 |
Bridge Rail |
Steel or Aluminum Bridge Rail | linear ft. | 2,050 | 2,045 | 0 | 5 | 0 |
Steel Protective Coating | sq. ft. | 41,000 | 39,000 | 2,000 | 0 | 0 |