US Bridges

Hanging Rock Road over Lanes Run

Fair

Washington County, Maryland · 0.15 MI N of Lanes Run RD · Structure no. 200000W-0611010

Built
1984
41 years old
Condition
Fair
inspected November 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
30 ft
1 main span
Daily traffic
340
2023 count
Owner
County
County Highway Agency

About this bridge

Hanging Rock Road over Lanes Run is a steel stringer/multi-beam or girder carrying Hanging Rock Road over Lanes Run in Washington County, Maryland. It was built in 1984, so it is 41 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 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 340 vehicles a day, roughly 5% of them trucks, projected to reach 484 by 2045. The structure is 30 ft (9.1 m) long and 14 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesHanging Rock Road
CrossesLanes Run
Location0.15 MI N of Lanes Run RD
RouteCounty Highway 61
Coordinates39.67692, -77.98564
Functional classRural 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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
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 adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating68 US tons
Inventory rating40.5 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length30 ft (9.1 m)
Longest span27 ft (8.2 m)
Deck width14 ft (4.4 m)
Roadway width14 ft (4.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic340 (2023)
Projected traffic484 by 2045
Trucks5%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 Hanging Rock Road over Lanes Run built?

It was built in 1984, making it 41 years old in 2025.

What condition is Hanging Rock Road over Lanes Run 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 November 2023.

How much traffic does Hanging Rock Road over Lanes Run carry?

About 340 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is Hanging Rock Road over Lanes Run?

The structure is 30 ft (9.1 m) long with a longest span of 27 ft (8.2 m) and a deck 14 ft wide.

Who owns Hanging Rock Road over Lanes Run?

It is owned by the County Highway Agency.