US Bridges

Md 355 over Capital Crescent Trail

Fair

Montgomery County, Maryland · 0.15 Mile South of Md 410 · Structure no. 100000150050010

Built
1988
37 years old
Condition
Fair
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
66 ft
1 main span
Daily traffic
28,620
2021 count
Owner
State
State Highway Agency

About this bridge

Md 355 over Capital Crescent Trail is a steel stringer/multi-beam or girder carrying Md 355 over Capital Crescent Trail in Montgomery County, Maryland. It was built in 1988, so it is 37 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 6 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 28,620 vehicles a day, roughly 8% of them trucks, projected to reach 47,000 by 2041. The structure is 66 ft (20.1 m) long and 94 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesMd 355
CrossesCapital Crescent Trail
Location0.15 Mile South of Md 410
RouteState Highway 355
CountyMontgomery County
StateMaryland
Coordinates38.98251, -77.0932
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating94.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length66 ft (20.1 m)
Longest span62 ft (18.9 m)
Deck width94 ft (28.8 m)
Roadway width82 ft (25 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic28,620 (2021)
Projected traffic47,000 by 2041
Trucks8%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesPedestrian / bicycle
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$411,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Md 355 over Capital Crescent Trail built?

It was built in 1988, making it 37 years old in 2025.

What condition is Md 355 over Capital Crescent Trail 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 June 2024.

How much traffic does Md 355 over Capital Crescent Trail carry?

About 28,620 vehicles per day (2021 count), of which roughly 8% are trucks.

How long is Md 355 over Capital Crescent Trail?

The structure is 66 ft (20.1 m) long with a longest span of 62 ft (18.9 m) and a deck 94 ft wide.

Who owns Md 355 over Capital Crescent Trail?

It is owned by the State Highway Agency.