US Bridges

Shady Grove RD EB over CSXT Railroad

Poor

Montgomery County, Maryland · 0.5 Miles East of Md 355 · Structure no. 200000M-0191013

Built
1976
49 years old
Condition
Poor
inspected January 2025
Type
Stringer/Multi-beam or Girder
Steel
Length
182 ft
3 main spans
Daily traffic
19,679
2022 count
Owner
County
County Highway Agency

About this bridge

Shady Grove RD EB over CSXT Railroad is a steel stringer/multi-beam or girder carrying Shady Grove RD EB 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 poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 19,679 vehicles a day, roughly 5% of them trucks, projected to reach 34,553 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

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CarriesShady Grove RD EB
CrossesCSXT Railroad
Location0.5 Miles East of Md 355
RouteCounty Highway 212
CountyMontgomery County
StateMaryland
Coordinates39.12776, -77.17105
Functional classUrban Other Principal Arterial

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation4: Meets minimum tolerable limits to be 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 rating90.9 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 traffic19,679 (2022)
Projected traffic34,553 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 EB over CSXT Railroad built?

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

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

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in January 2025.

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

About 19,679 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is Shady Grove RD EB 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 EB over CSXT Railroad?

It is owned by the County Highway Agency.