MARCONI AVE over UP,BNSF,AMTRAK,SCRTD LRT

Map

Coordinates:
+38.62217, -121.42227
38°37'20" N, 121°25'20" W

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

Name:	MARCONI AVE over UP,BNSF,AMTRAK,SCRTD LRT
Structure number:	24C0112
Location:	0.2 MI W OF SR 51
Purpose:	Carries highway and pedestrian walkway over highway and railroad
Route classification:	Minor Arterial (Rural) `[06]`
Length of largest span:	127.0 ft. `[38.7 m]`
Total length:	421.9 ft. `[128.6 m]`
Roadway width between curbs:	56.1 ft. `[17.1 m]`
Deck width edge-to-edge:	67.9 ft. `[20.7 m]`
Vertical clearance below bridge:	26.2 ft. `[8.0 m]`
Skew angle:	15°
Owner:	City or Municipal Highway Agency `[04]`
Year built:	1984
Historic significance:	Bridge is not eligible for the National Register of Historic Places `[5]`
Design load:	MS 18+Mod / HS 20+Mod `[6]`
Number of main spans:	4
Main spans material:	Prestressed concrete continuous `[6]`
Main spans design:	Box beam or girders - Multiple `[05]`
Deck type:	Concrete Cast-in-Place `[1]`
Wearing surface:	Bituminous `[6]`

Good/Fair/Poor Condition:	Good
Status:	Open, no restriction `[A]`
Average daily traffic:	35,420 `[as of 2004]`
Truck traffic:	10% 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:	Somewhat better than minimum adequacy to tolerate being left in place as is `[5]`
Underclearances appraisal:	Superior to present desirable criteria `[9]`
Roadway alignment appraisal:	Equal to present minimum criteria `[6]`
Scour condition:	Bridge not over waterway. `[N]`
Sufficiency rating:	94.0

Date	Condition	Deck	Superstructure	Substructure	ADT	Suff. Rating
October 2017	Good	Good	Good	Good	35420	94.0
October 2015	Good	Very Good	Very Good	Very Good	35420	94.0
January 2014	Fair	Satisfactory	Very Good	Good	35420	94.0
March 2012	Fair	Satisfactory	Very Good	Good	35420	94.0
February 2010	Fair	Satisfactory	Very Good	Good	20420	96.1
November 2007	Fair	Satisfactory	Very Good	Good	20420	96.1
July 2006	Fair	Satisfactory	Very Good	Good	20420	96.1
November 2003	Good	Good	Very Good	Good	20420	96.1
February 2002	Good	Good	Very Good	Good	20420	96.1
August 1998	Fair	Satisfactory	Satisfactory	Satisfactory	20420	96.1
February 1996	Good	Good	Good	Good	20420	95.9
October 1993	Good	Good	Good	Good	20420	95.9
March 1991	Good	Good	Good	Good	20420	95.9