HILTON STREET over AMTRAK

Map

Coordinates:
+39.28057, -76.67212
39°16'50" N, 76°40'20" W

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

Name:	HILTON STREET over AMTRAK
Structure number:	200000BC5213010
Location:	AT FREDERICK AVE JCT
Purpose:	Carries highway and pedestrian walkway over railroad
Route classification:	Local (Urban) `[19]`
Length of largest span:	120.1 ft. `[36.6 m]`
Total length:	126.0 ft. `[38.4 m]`
Roadway width between curbs:	48.6 ft. `[14.8 m]`
Deck width edge-to-edge:	65.9 ft. `[20.1 m]`
Vertical clearance below bridge:	22.0 ft. `[6.7 m]`
Skew angle:	17°
Owner:	City or Municipal Highway Agency `[04]`
Year built:	1955
Year reconstructed:	1991
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:	Stringer/Multi-beam or girder `[02]`
Deck type:	Concrete Cast-in-Place `[1]`
Wearing surface:	Monolithic Concrete (concurrently placed with structural deck) `[1]`

Good/Fair/Poor Condition:	Fair
Status:	Open, no restriction `[A]`
Average daily traffic:	27,530 `[as of 2014]`
Truck traffic:	10% of total traffic
Deck condition:	Satisfactory `[6 out of 9]`
Superstructure condition:	Satisfactory `[6 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]`
Underclearances appraisal:	Meets minimum tolerable limits to be left in place as is `[4]`
Roadway alignment appraisal:	Equal to present minimum criteria `[6]`
Scour condition:	Bridge not over waterway. `[N]`
Operating rating:	89.8 tons `[81.6 metric tons]`
Inventory rating:	53.9 tons `[49.0 metric tons]`
Sufficiency rating:	72.6
Recommended work:	Other structural work, including hydraulic replacements. `[38]`
Estimated cost of work:	$12,000

Date	Suff. Rating	Condition	Deck	Superstructure	Substructure	SD/FO	ADT
November 2016	72.6	Fair	Satisfactory	Satisfactory	Satisfactory	FO	27530
November 2014	72.6	Fair	Satisfactory	Satisfactory	Satisfactory	FO	27530
November 2012	71.6	Fair	Satisfactory	Satisfactory	Satisfactory	FO	27530
November 2010	71.6	Fair	Satisfactory	Satisfactory	Satisfactory	FO	27530
December 2009	71.6	Fair	Satisfactory	Satisfactory	Satisfactory	FO	27530
December 2008	71.6	Fair	Satisfactory	Satisfactory	Satisfactory	FO	27530
December 2007	71.6	Fair	Satisfactory	Satisfactory	Satisfactory	FO	27530
March 2006	71.6	Fair	Satisfactory	Satisfactory	Satisfactory	FO	27530
December 2005	71.6	Good	Good	Good	Good	FO	27530
December 2003	71.6	Good	Good	Good	Good	FO	27530
November 2003	71.6	Good	Good	Good	Good	FO	27257
March 2002	71.6	Good	Good	Good	Good	FO	27257
March 2000	72.0	Good	Good	Good	Good	-	23910
March 1998	72.0	Good	Good	Good	Good	-	23910
March 1995	72.6	Good	Good	Good	Good	-	23910
October 1992	72.6	Good	Good	Very Good	Good	-	23910
April 1991	72.6	Good	Excellent	Good	Good	-	23910

Source: National Bridge Elements dataset, 2016 edition. This feature is experimental.

Element	Units	Quantity	1. Good	2. Fair	3. Poor	4. Serious
Superstructure
Steel Girder/Beam	linear ft.	1,512	1,512	0	0	0
Steel Protective Coating	sq. ft.	24,835	23,635	1,200	0	0
Deck
Reinforced Concrete Deck	sq. ft.	8,385	8,210	175	0	0
Substructure
Reinforced Concrete Abutment	linear ft.	132	100	32	0	0
Joints
Compression Joint	linear ft.	130	0	128	2	0
Bearings
Movable Bearing	each	12	2	10	0	0
Steel Protective Coating	sq. ft.	30	20	10	0	0
Fixed Bearing	each	12	2	10	0	0
Steel Protective Coating	sq. ft.	30	20	10	0	0
Bridge Rail
Reinforced Concrete Bridge Rail	linear ft.	252	202	50	0	0