US Bridges

US 15 Ramp J over Hunting Creek

Fair

Frederick County, Maryland · 0.03 MI S of Md 77 · Structure no. 100000100180010

Built
1985
40 years old
Condition
Fair
inspected January 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
65 ft
1 main span
Daily traffic
500
2002 count
Owner
State
State Highway Agency

About this bridge

US 15 Ramp J over Hunting Creek is a steel stringer/multi-beam or girder carrying US 15 Ramp J over Hunting Creek in Frederick County, Maryland. It was built in 1985, so it is 40 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 500 vehicles a day, roughly 8% of them trucks, projected to reach 617 by 2022. The structure is 65 ft (19.8 m) long and 59 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesUS 15 Ramp J
CrossesHunting Creek
Location0.03 MI S of Md 77
RouteU.S. Route 15
Coordinates39.62403, -77.42064
Functional classUrban Principal Arterial - Other Freeway or Expressway

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating72 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length65 ft (19.8 m)
Longest span60 ft (18.3 m)
Deck width59 ft (18 m)
Roadway width56 ft (17.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic500 (2002)
Projected traffic617 by 2022
Trucks8%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was US 15 Ramp J over Hunting Creek built?

It was built in 1985, making it 40 years old in 2025.

What condition is US 15 Ramp J over Hunting 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 January 2024.

How much traffic does US 15 Ramp J over Hunting Creek carry?

About 500 vehicles per day (2002 count), of which roughly 8% are trucks.

How long is US 15 Ramp J over Hunting Creek?

The structure is 65 ft (19.8 m) long with a longest span of 60 ft (18.3 m) and a deck 59 ft wide.

Who owns US 15 Ramp J over Hunting Creek?

It is owned by the State Highway Agency.