US Bridges

Hessong Bridge RD over Little Hunting Creek

Fair

Frederick County, Maryland · At Blacks Mill RD Int · Structure no. 200000F-1501010

Built
1905
120 years old
Condition
Fair
inspected October 2023
Type
Truss - Thru
Steel
Length
65 ft
1 main span
Daily traffic
980
2009 count
Owner
County
County Highway Agency

About this bridge

Hessong Bridge RD over Little Hunting Creek is a steel truss - thru carrying Hessong Bridge RD over Little Hunting Creek in Frederick County, Maryland. It was built in 1905, so it is 120 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 5 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 980 vehicles a day, roughly 5% of them trucks, projected to reach 1,176 by 2032. The structure is 65 ft (19.8 m) long and 11 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesHessong Bridge RD
CrossesLittle Hunting Creek
LocationAt Blacks Mill RD Int
RouteCounty Highway 548
Coordinates39.56458, -77.41395
Functional classRural Minor Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating51.5 US tons
Inventory rating30.5 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckSteel plate
Main spans1
Design loadUnknown
Structure length65 ft (19.8 m)
Longest span65 ft (19.8 m)
Deck width11 ft (3.5 m)
Roadway width11 ft (3.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic980 (2009)
Projected traffic1,176 by 2032
Trucks5%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 Hessong Bridge RD over Little Hunting Creek built?

It was built in 1905, making it 120 years old in 2025.

What condition is Hessong Bridge RD 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 October 2023.

How much traffic does Hessong Bridge RD over Little Hunting Creek carry?

About 980 vehicles per day (2009 count), of which roughly 5% are trucks.

How long is Hessong Bridge RD over Little Hunting Creek?

The structure is 65 ft (19.8 m) long with a longest span of 65 ft (19.8 m) and a deck 11 ft wide.

Who owns Hessong Bridge RD over Little Hunting Creek?

It is owned by the County Highway Agency.