US Bridges

Md 550 over Owens Creek

Good

Frederick County, Maryland · 0.82 Mile North of US 15 · Structure no. 100000100061010

Built
1996
29 years old
Condition
Good
inspected May 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
92 ft
1 main span
Daily traffic
7,221
2009 count
Owner
State
State Highway Agency

About this bridge

Md 550 over Owens Creek is a steel stringer/multi-beam or girder carrying Md 550 over Owens Creek in Frederick County, Maryland. It was built in 1996, so it is 29 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 7,221 vehicles a day, roughly 4% of them trucks, projected to reach 10,701 by 2026. The structure is 92 ft (28 m) long and 37 ft wide. If it were closed, the detour would be 14.9 mi (24 km).

CarriesMd 550
CrossesOwens Creek
Location0.82 Mile North of US 15
RouteState Highway 550
Coordinates39.64538, -77.41618
Functional classRural Major Collector

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 protection6 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 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 rating110.1 US tons
Inventory rating85 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length92 ft (28 m)
Longest span92 ft (28 m)
Deck width37 ft (11.3 m)
Roadway width33 ft (10.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,221 (2009)
Projected traffic10,701 by 2026
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.9 mi (24 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 Owens Creek built?

It was built in 1996, making it 29 years old in 2025.

What condition is Md 550 over Owens Creek 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 550 over Owens Creek carry?

About 7,221 vehicles per day (2009 count), of which roughly 4% are trucks.

How long is Md 550 over Owens Creek?

The structure is 92 ft (28 m) long with a longest span of 92 ft (28 m) and a deck 37 ft wide.

Who owns Md 550 over Owens Creek?

It is owned by the State Highway Agency.