US Bridges

Bel Aire Lane over Rock Creek

Fair

Frederick County, Maryland · 0.2 MI North of Key Pkwy · Structure no. 200000F-F-25010

Built
1993
32 years old
Condition
Fair
inspected May 2024
Type
Arch - Deck
Steel
Length
57 ft
2 main spans
Daily traffic
2,144
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

Bel Aire Lane over Rock Creek is a steel arch - deck carrying Bel Aire Lane over Rock Creek in Frederick County, Maryland. It was built in 1993, so it is 32 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 2,144 vehicles a day, roughly 4% of them trucks, projected to reach 3,185 by 2042. The structure is 57 ft (17.4 m) long and 40 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesBel Aire Lane
CrossesRock Creek
Location0.2 MI North of Key Pkwy
RouteCity Street 105
CountyFrederick County
StateMaryland
Coordinates36.42253, -77.44189
Functional classUrban Local

Condition and inspection

Fair

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

ComponentRatingMeaning
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being 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 rating110.1 US tons

Structure

Structure typeArch - Deck
MaterialSteel
DeckNot applicable
Main spans2
Design loadUnknown
Structure length57 ft (17.4 m)
Longest span27 ft (8.2 m)
Deck width40 ft (12.2 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,144 (2022)
Projected traffic3,185 by 2042
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Bel Aire Lane over Rock Creek built?

It was built in 1993, making it 32 years old in 2025.

What condition is Bel Aire Lane over Rock Creek 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 2024.

How much traffic does Bel Aire Lane over Rock Creek carry?

About 2,144 vehicles per day (2022 count), of which roughly 4% are trucks.

How long is Bel Aire Lane over Rock Creek?

The structure is 57 ft (17.4 m) long with a longest span of 27 ft (8.2 m) and a deck 40 ft wide.

Who owns Bel Aire Lane over Rock Creek?

It is owned by the City or Municipal Highway Agency.