US Bridges

Marble Quarry Road over Little Antietam Creek

FairPosted for load

Washington County, Maryland · 0.81 MI NW of Md RTE 67 · Structure no. 200000W-6082010

Built
1985
40 years old
Condition
Fair
inspected October 2023
Type
Slab
Concrete
Length
31 ft
1 main span
Daily traffic
178
2019 count
Owner
County
County Highway Agency

About this bridge

Marble Quarry Road over Little Antietam Creek is a concrete slab carrying Marble Quarry Road over Little Antietam Creek in Washington 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 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 178 vehicles a day, roughly 5% of them trucks, projected to reach 221 by 2041. The structure is 31 ft (9.4 m) long and 16 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesMarble Quarry Road
CrossesLittle Antietam Creek
Location0.81 MI NW of Md RTE 67
RouteCounty Highway 808
CountyWashington County
StateMaryland
Coordinates39.45945, -77.6767
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating48 US tons
Inventory rating29 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length31 ft (9.4 m)
Longest span30 ft (9.1 m)
Deck width16 ft (4.9 m)
Roadway width16 ft (4.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic178 (2019)
Projected traffic221 by 2041
Trucks5%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$250,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Marble Quarry Road over Little Antietam Creek built?

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

What condition is Marble Quarry Road over Little Antietam 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 Marble Quarry Road over Little Antietam Creek carry?

About 178 vehicles per day (2019 count), of which roughly 5% are trucks.

How long is Marble Quarry Road over Little Antietam Creek?

The structure is 31 ft (9.4 m) long with a longest span of 30 ft (9.1 m) and a deck 16 ft wide.

Who owns Marble Quarry Road over Little Antietam Creek?

It is owned by the County Highway Agency.