SB280-NB101 CONN over U.S. HIGHWAY 101


+37.34000, -121.85167
37°20'24" N, 121°51'06" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.


Name:SB280-NB101 CONN over U.S. HIGHWAY 101
Structure number:37 0285F
Purpose:Carries highway over highway
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:109.9 ft. [33.5 m]
Total length:275.6 ft. [84.0 m]
Roadway width between curbs:27.9 ft. [8.5 m]
Deck width edge-to-edge:29.9 ft. [9.1 m]
Vertical clearance above deck:17.1 ft. [5.2 m]
Vertical clearance below bridge:16.7 ft. [5.1 m]
Skew angle:
Owner:State Highway Agency [01]
Year built:1974
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 18 / HS 20 [5]
Number of main spans:3
Main spans material:Prestressed concrete continuous [6]
Main spans design:Box beam or girders - Multiple [05]
Deck type:Concrete Cast-in-Place [1]

Latest Available Inspection: January 2015 

Status:Open, no restriction [A]
Average daily traffic:9,950 [as of 2002]
Truck traffic:10% 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:Superior to present desirable criteria [9]
Underclearances appraisal:Better than present minimum criteria [7]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Operating rating:100.9 tons [91.7 metric tons]
Inventory rating:35.6 tons [32.4 metric tons]
Sufficiency rating:97.1

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
January 201597.1Not deficientVery GoodVery GoodVery Good9950
January 201397.1Not deficientGoodVery GoodGood9950
January 201197.1Not deficientGoodVery GoodGood9950
January 200996.1Not deficientFairVery GoodGood9950
January 200796.1Not deficientFairVery GoodGood9950
January 200596.1Not deficientFairVery GoodGood9950
January 200394.4Structurally deficientPoorVery GoodGood6600
February 200195.0Structurally deficientPoorVery GoodGood6600
September 199698.0Not deficientGoodVery GoodGood6600
September 199498.0Not deficientGoodGoodGood6600
October 199298.0Not deficientGoodGoodGood3500
March 199098.0Not deficientGoodGoodGood3500