ROUTE 980 over 29TH STREET


+37.81833, -122.26833
37°49'06" N, 122°16'06" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.


Name:ROUTE 980 over 29TH STREET
Structure number:33 0349L
Purpose:Carries highway over highway
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:62.0 ft. [18.9 m]
Total length:122.1 ft. [37.2 m]
Roadway width between curbs:158.5 ft. [48.3 m]
Deck width edge-to-edge:165.0 ft. [50.3 m]
Vertical clearance below bridge:15.7 ft. [4.8 m]
Skew angle:
Owner:State Highway Agency [01]
Year built:1969
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:Concrete continuous [2]
Main spans design:Box beam or girders - Multiple [05]
Deck type:Concrete Cast-in-Place [1]

Latest Available Inspection: May 2014 

Status:Open, no restriction [A]
Average daily traffic:57,500 [as of 2009]
Truck traffic:3% of total traffic
Deck condition:Good [7 out of 9]
Superstructure condition:Good [7 out of 9]
Substructure condition:Good [7 out of 9]
Structural appraisal:Better than present minimum criteria [7]
Deck geometry appraisal:Superior to present desirable criteria [9]
Underclearances appraisal:Equal to present minimum criteria [6]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Operating rating:41.4 tons [37.6 metric tons]
Inventory rating:31.7 tons [28.8 metric tons]
Sufficiency rating:90.2

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
May 201490.2Not deficientGoodGoodGood57500
May 201292.6Not deficientGoodGoodGood57500
May 200893.0Not deficientGoodGoodGood53750
May 200689.8Structurally deficientPoorGoodGood53750
May 200489.8Structurally deficientPoorGoodGood53750
May 200287.8Structurally deficientPoorGoodGood94350
June 200091.2Not deficientSatisfactoryGoodGood94350
June 199887.8Structurally deficientPoorGoodGood94350
April 199592.4Not deficientGoodGoodGood86850
April 199393.9Not deficientGoodGoodGood67500
September 199193.9Not deficientGoodGoodGood67500