US Bridges

Md 63 over ST James Run

Good

Washington County, Maryland · At N/S Railroad · Structure no. 100000210159010

Built
2017
8 years old
Condition
Good
inspected May 2023
Type
Slab
Prestressed Concrete
Length
28 ft
1 main span
Daily traffic
650
2012 count
Owner
State
State Highway Agency

About this bridge

Md 63 over ST James Run is a prestressed concrete slab carrying Md 63 over ST James Run in Washington County, Maryland. It was built in 2017, so it is 8 years old, younger than the Maryland average of 52.6 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 650 vehicles a day, roughly 8% of them trucks, projected to reach 950 by 2031. The structure is 28 ft (8.5 m) long and 34 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesMd 63
CrossesST James Run
LocationAt N/S Railroad
RouteState Highway 63
Coordinates39.53775, -77.76328
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating66 US tons
Inventory rating50.7 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckNot applicable
Main spans1
Design loadUnknown
Structure length28 ft (8.5 m)
Longest span24 ft (7.3 m)
Deck width34 ft (10.3 m)
Roadway width33 ft (10 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic650 (2012)
Projected traffic950 by 2031
Trucks8%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Md 63 over ST James Run built?

It was built in 2017, making it 8 years old in 2025.

What condition is Md 63 over ST James Run in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in May 2023.

How much traffic does Md 63 over ST James Run carry?

About 650 vehicles per day (2012 count), of which roughly 8% are trucks.

How long is Md 63 over ST James Run?

The structure is 28 ft (8.5 m) long with a longest span of 24 ft (7.3 m) and a deck 34 ft wide.

Who owns Md 63 over ST James Run?

It is owned by the State Highway Agency.