US Bridges

Shady Grove RD WB over CSXT Railroad

Fair

Montgomery County, Maryland · 0.5 MI East of Md 355 · Structure no. 200000M-0191014

Built
1976
49 years old
Condition
Fair
inspected January 2025
Type
Stringer/Multi-beam or Girder
Steel
Length
182 ft
3 main spans
Daily traffic
35,374
2022 count
Owner
County
County Highway Agency

About this bridge

Shady Grove RD WB over CSXT Railroad is a steel stringer/multi-beam or girder carrying Shady Grove RD WB over CSXT Railroad in Montgomery County, Maryland. It was built in 1976, so it is 49 years old, younger than the Maryland average of 52.6 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 35,374 vehicles a day, roughly 5% of them trucks, projected to reach 32,923 by 2042. The structure is 182 ft (55.5 m) long and 48 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesShady Grove RD WB
CrossesCSXT Railroad
Location0.5 MI East of Md 355
RouteCounty Highway 212
CountyMontgomery County
StateMaryland
Coordinates39.12791, -77.17117
Functional classUrban Other Principal Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating84.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length182 ft (55.5 m)
Longest span89 ft (27.1 m)
Deck width48 ft (14.5 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic35,374 (2022)
Projected traffic32,923 by 2042
Trucks5%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway and pedestrian
CrossesRailroad
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Shady Grove RD WB over CSXT Railroad built?

It was built in 1976, making it 49 years old in 2025.

What condition is Shady Grove RD WB over CSXT Railroad in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in January 2025.

How much traffic does Shady Grove RD WB over CSXT Railroad carry?

About 35,374 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is Shady Grove RD WB over CSXT Railroad?

The structure is 182 ft (55.5 m) long with a longest span of 89 ft (27.1 m) and a deck 48 ft wide.

Who owns Shady Grove RD WB over CSXT Railroad?

It is owned by the County Highway Agency.