MILITARY ROAD over ROCK CREEK & BEACH D

Map

Coordinates:
+38.96104, -77.04444
38°57'40" N, 77°02'40" W

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

Name:	MILITARY ROAD over ROCK CREEK & BEACH D
Structure number:	0229
Location:	MILITARY RD OVER ROCK CR
Purpose:	Carries highway and pedestrian walkway over highway and waterway
Route classification:	Other Principal Arterial (Urban) `[14]`
Length of largest span:	83.0 ft. `[25.3 m]`
Total length:	220.2 ft. `[67.1 m]`
Roadway width between curbs:	55.1 ft. `[16.8 m]`
Deck width edge-to-edge:	71.5 ft. `[21.8 m]`
Vertical clearance below bridge:	13.1 ft. `[4.0 m]`
Owner:	State Highway Agency `[01]`
Year built:	1956
Year reconstructed:	1998
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:	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:	Good
Status:	Open, no restriction `[A]`
Average daily traffic:	24,100 `[as of 2007]`
Truck traffic:	2% of total traffic
Deck condition:	Good `[7 out of 9]`
Superstructure condition:	Very Good `[8 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:	Somewhat better than minimum adequacy to tolerate being left in place as is `[5]`
Water adequacy appraisal:	Equal to present desirable criteria `[8]`
Roadway alignment appraisal:	Equal to present desirable criteria `[8]`
Channel protection:	Bank protection is in need of minor repairs. River control devices and embankment protection have a little minor damage. Banks and/or channel have minor amounts of drift. `[7]`
Pier/abutment protection:	Navigation protection not required `[1]`
Scour condition:	Countermeasures have been installed to mitigate an existing problem with scour. `[7]`
Sufficiency rating:	79.2
Recommended work:	Other structural work, including hydraulic replacements. `[38]`
Estimated cost of work:	$6,800,000

Date	Condition	Deck	Superstructure	Substructure	ADT	Suff. Rating
May 2016	Good	Good	Very Good	Good	24100	79.2
April 2014	Good	Good	Very Good	Good	24100	79.1
June 2012	Good	Good	Good	Good	24100	79.1
May 2010	Good	Good	Good	Good	24100	79.1
May 2008	Good	Very Good	Good	Good	24100	79.1
June 2006	Good	Very Good	Very Good	Very Good	25000	79.0
June 2004	Good	Very Good	Very Good	Very Good	25000	79.0
July 2002	Good	Very Good	Very Good	Very Good	25000	79.0
November 1998	Good	Excellent	Very Good	Very Good	25000	77.0
February 1997	Poor	Poor	Poor	Fair	25000	56.8
January 1997	Fair	Fair	Fair	Fair	25000	75.9
December 1994	Poor	Poor	Poor	Fair	25000	54.6
October 1992	Poor	Poor	Poor	Fair	25000	58.7
October 1990	Poor	Poor	Poor	Fair	25000	58.7

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.	1,760	1,760	0	0	0
Steel Protective Coating	sq. ft.	21,554	21,554	0	0	0
Deck
Reinforced Concrete Deck	sq. ft.	15,730	15,160	570	0	0
Substructure
Reinforced Concrete Pier Wall	linear ft.	140	127	12	1	0
Reinforced Concrete Abutment	linear ft.	140	28	14	98	0
Joints
Strip Seal Joint	linear ft.	136	0	0	136	0
Bearings
Movable Bearing	each	27	0	27	0	0
Steel Protective Coating	sq. ft.	50	45	0	0	5
Fixed Bearing	each	9	4	5	0	0
Steel Protective Coating	sq. ft.	16	15	0	0	1
Bridge Rail
Steel or Aluminum Bridge Rail	linear ft.	880	846	32	2	0
Steel Protective Coating	sq. ft.	2,050	2,006	0	0	44
Reinforced Concrete Bridge Rail	linear ft.	660	566	94	0	0