MISSION BAY DRIVE over SAN DIEGO RIVER

Map

Coordinates:
+32.75770, -117.22422
32°45'28" N, 117°13'27" W

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

Name:	MISSION BAY DRIVE over SAN DIEGO RIVER
Structure number:	57C0023
Location:	300FT N/W OF RTE I-8
Purpose:	Carries highway and pedestrian walkway over waterway
Route classification:	Other Principal Arterial (Urban) `[14]`
Length of largest span:	119.1 ft. `[36.3 m]`
Total length:	1296.0 ft. `[395.0 m]`
Roadway width between curbs:	48.6 ft. `[14.8 m]`
Deck width edge-to-edge:	63.7 ft. `[19.4 m]`
Skew angle:	45°
Owner:	City or Municipal Highway Agency `[04]`
Year built:	1950
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:	11
Main spans material:	Steel continuous `[4]`
Main spans design:	Stringer/Multi-beam or girder `[02]`
Deck type:	Concrete Cast-in-Place `[1]`

Good/Fair/Poor Condition:	Poor
Status:	Open, no restriction `[A]`
Average daily traffic:	55,000 `[as of 2005]`
Truck traffic:	1% of total traffic
Deck condition:	Critical `[2 out of 9]`
Superstructure condition:	Good `[7 out of 9]`
Substructure condition:	Satisfactory `[6 out of 9]`
Structural appraisal:	Equal to present minimum criteria `[6]`
Deck geometry appraisal:	Basically intolerable requiring high priority of replacement `[2]`
Water adequacy appraisal:	Superior to present desirable criteria `[9]`
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]`
Scour condition:	Bridge foundations determined to be stable for assessed or calculated scour condition. `[5]`
Sufficiency rating:	68.8
Recommended work:	Bridge rehabilitation because of general structure deterioration or inadequate strength. `[35]`
Estimated cost of work:	$12,894,000

Date	Condition	Deck	Superstructure	Substructure	ADT	Suff. Rating
March 2016	Poor	Critical	Good	Satisfactory	55000	68.8
March 2014	Poor	Critical	Good	Satisfactory	55000	68.8
June 2011	Poor	Serious	Good	Satisfactory	55000	68.8
February 2010	Poor	Critical	Good	Satisfactory	55000	68.8
November 2007	Poor	Serious	Good	Satisfactory	55000	18.3
January 2007	Poor	Serious	Good	Satisfactory	55000	18.3
January 2006	Poor	Serious	Good	Satisfactory	55000	18.3
July 2003	Poor	Poor	Good	Good	55000	20.3
June 2002	Fair	Fair	Good	Good	55000	22.3
July 2001	Fair	Fair	Good	Good	55000	22.3
November 2000	Fair	Fair	Good	Good	55000	22.3
March 1998	Fair	Fair	Good	Good	55000	22.3
December 1995	Good	Good	Good	Good	55000	23.0
April 1995	Good	Good	Good	Good	55000	23.0
December 1991	Good	Good	Good	Good	55000	23.0

Source: National Bridge Elements dataset, 2018 edition. This feature is experimental.

Element	Units	Quantity	1-Good	2-Fair	3-Poor	4-Serious
Superstructure
Steel Girder/Beam	linear ft.	2,766	2,640	126	0	0
Steel Protective Coating	sq. ft.	10,117	0	8,500	1,000	617
Deck
Reinforced Concrete Deck	sq. ft.	7,680	173	0	6,942	565
Superstructure
Steel Pin or Pin & Hangar Assembly	each	52	52	0	0	0
Substructure
Reinforced Concrete Pier Wall	linear ft.	277	247	5	25	0
Reinforced Concrete Abutment	linear ft.	53	53	0	0	0
Timber Pile	each	1	1	0	0	0
Joints
Pourable Joint	linear ft.	112	20	0	92	0
Other Joint	linear ft.	170	45	0	125	0
Bearings
Movable Bearing	each	35	35	0	0	0
Fixed Bearing	each	49	49	0	0	0
Other Bearing	each	52	52	0	0	0
Bridge Rail
Steel or Aluminum Bridge Rail	linear ft.	790	710	60	20	0
Reinforced Concrete Bridge Rail	linear ft.	1,185	1,183	0	2	0