US Bridges

Md 550 over Cabbage Run

Fair

Frederick County, Maryland · 1.39 Miles North of Md 26 · Structure no. 100000100096020

Built
1939
86 years old
Condition
Fair
inspected May 2023
Type
Culvert
Concrete
Length
27 ft
Daily traffic
2,785
2013 count
Owner
State
State Highway Agency

About this bridge

Md 550 over Cabbage Run is a concrete culvert carrying Md 550 over Cabbage Run in Frederick County, Maryland. It was built in 1939, so it is 86 years old, older 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 2,785 vehicles a day, roughly 8% of them trucks, projected to reach 2,386 by 2026. The structure is 27 ft (8.2 m) long. If it were closed, the detour would be 9.9 mi (16 km).

Location

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CarriesMd 550
CrossesCabbage Run
Location1.39 Miles North of Md 26
RouteState Highway 550
CountyFrederick County
StateMaryland
Coordinates39.49883, -77.26371
Functional classRural Major Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating16 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans0
Design loadH 20
Structure length27 ft (8.2 m)
Longest span13 ft (4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,785 (2013)
Projected traffic2,386 by 2026
Trucks8%
Lanes on structure2
Traffic directionTwo-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 550 over Cabbage Run built?

It was built in 1939, making it 86 years old in 2025.

What condition is Md 550 over Cabbage Run 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 May 2023.

How much traffic does Md 550 over Cabbage Run carry?

About 2,785 vehicles per day (2013 count), of which roughly 8% are trucks.

How long is Md 550 over Cabbage Run?

The structure is 27 ft (8.2 m) long with a longest span of 13 ft (4 m).

Who owns Md 550 over Cabbage Run?

It is owned by the State Highway Agency.