US Bridges

Old Camp Road over Rock Creek

Fair

Frederick County, Maryland · 500 Feet North of US 40 · Structure no. 200000F-F-18030

Built
1976
49 years old
Condition
Fair
inspected July 2024
Type
Culvert
Aluminum, Wrought Iron, or Cast Iron
Length
32 ft
2 main spans
Daily traffic
7,210
2024 count
Owner
City
City or Municipal Highway Agency

About this bridge

Old Camp Road over Rock Creek is a aluminum, wrought iron, or cast iron culvert carrying Old Camp Road over Rock Creek in Frederick 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 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 7,210 vehicles a day, roughly 4% of them trucks, projected to reach 11,150 by 2046. The structure is 32 ft (9.8 m) long. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesOld Camp Road
CrossesRock Creek
Location500 Feet North of US 40
RouteCity Street 1115
CountyFrederick County
StateMaryland
Coordinates39.42325, -77.46573
Functional classUrban Minor 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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating110.1 US tons

Structure

Structure typeCulvert
MaterialAluminum, Wrought Iron, or Cast Iron
DeckNot applicable
Main spans2
Design loadUnknown
Structure length32 ft (9.8 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 traffic7,210 (2024)
Projected traffic11,150 by 2046
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 Old Camp Road over Rock Creek built?

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

What condition is Old Camp Road 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 July 2024.

How much traffic does Old Camp Road over Rock Creek carry?

About 7,210 vehicles per day (2024 count), of which roughly 4% are trucks.

How long is Old Camp Road over Rock Creek?

The structure is 32 ft (9.8 m) long with a longest span of 13 ft (4 m).

Who owns Old Camp Road over Rock Creek?

It is owned by the City or Municipal Highway Agency.