US 301 over POTOMAC RIVER

Map

Coordinates:
+38.35913, -77.01524
38°21'33" N, 77°00'55" W

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

Name:	US 301 over POTOMAC RIVER
Structure number:	000000000031104
Location:	US 301 over Potomac River
Purpose:	Carries highway over waterway
Route classification:	Principal Arterial - Other (Rural) `[02]`
Tolls:	Yes `[1]`
Length of largest span:	80.1 ft. `[24.4 m]`
Total length:	10054.6 ft. `[3064.5 m]`
Roadway width between curbs:	24.6 ft. `[7.5 m]`
Deck width edge-to-edge:	27.9 ft. `[8.5 m]`
Vertical clearance above deck:	15.1 ft. `[4.6 m]`
Vertical clearance below bridge:	39.4 ft. `[12.0 m]`
Owner:	State Highway Agency `[01]`
Year built:	1939
Year reconstructed:	1984
Historic significance:	Historical significance is not determinable at this time `[4]`
Design load:	MS 18 / HS 20 `[5]`
Number of main spans:	3
Main spans material:	Steel `[3]`
Main spans design:	Truss - Thru `[10]`
Deck type:	Closed Grating `[4]`
Wearing surface:	Latex Concrete or similar additive `[3]`

Good/Fair/Poor Condition:	Fair
Status:	Open, no restriction `[A]`
Average daily traffic:	17,933 `[as of 2017]`
Truck traffic:	7% of total traffic
Deck condition:	Fair `[5 out of 9]`
Superstructure condition:	Fair `[5 out of 9]`
Substructure condition:	Fair `[5 out of 9]`
Structural appraisal:	Somewhat better than minimum adequacy to tolerate being left in place as is `[5]`
Deck geometry appraisal:	Basically intolerable requiring high priority of replacement `[2]`
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]`
Scour condition:	Bridge foundations determined to be stable for assessed or calculated scour condition. `[5]`
Sufficiency rating:	41.0
Recommended work:	Widening of existing bridge or other major structure without deck rehabilitation or replacement `[33]`
Estimated cost of work:	$18,000

Date	Condition	Deck	Superstructure	Substructure	ADT	Suff. Rating
August 2018	Fair	Fair	Fair	Fair	17933	41.0
March 2018	Fair	Fair	Fair	Satisfactory	17850	43.0