US Bridges

US 15 over Little Hunting Creek

Fair

Frederick County, Maryland · .87 Mile North of Md 806A · Structure no. 100000100009020

Built
1962
63 years old, rebuilt 1985
Condition
Fair
inspected April 2024
Type
Culvert
Concrete
Length
35 ft
Daily traffic
30,800
2009 count
Owner
State
State Highway Agency

About this bridge

US 15 over Little Hunting Creek is a concrete culvert carrying US 15 over Little Hunting Creek in Frederick County, Maryland. It was built in 1962 and reconstructed in 1985, so it is 63 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 30,800 vehicles a day, roughly 8% of them trucks, projected to reach 37,265 by 2026. The structure is 35 ft (10.8 m) long. If it were closed, the detour would be 1.2 mi (2 km).

CarriesUS 15
CrossesLittle Hunting Creek
Location.87 Mile North of Md 806A
RouteU.S. Route 15
Coordinates39.58363, -77.43518
Functional classRural Principal Arterial - Other

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 inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans0
Design loadHS 20
Structure length35 ft (10.8 m)
Longest span17 ft (5.2 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic30,800 (2009)
Projected traffic37,265 by 2026
Trucks8%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 over Little Hunting Creek built?

It was built in 1962, making it 63 years old in 2025. It was reconstructed in 1985.

What condition is US 15 over Little 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 April 2024.

How much traffic does US 15 over Little Hunting Creek carry?

About 30,800 vehicles per day (2009 count), of which roughly 8% are trucks.

How long is US 15 over Little Hunting Creek?

The structure is 35 ft (10.8 m) long with a longest span of 17 ft (5.2 m).

Who owns US 15 over Little Hunting Creek?

It is owned by the State Highway Agency.