US Bridges

Poplar Grove Road over Little Antietam Creek

Fair

Washington County, Maryland · 0.98 MI E of Md RTE 64 · Structure no. 200000W-2432010

Built
1910
115 years old, rebuilt 1986
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
40 ft
1 main span
Daily traffic
233
2015 count
Owner
County
County Highway Agency

About this bridge

Poplar Grove Road over Little Antietam Creek is a steel stringer/multi-beam or girder carrying Poplar Grove Road over Little Antietam Creek in Washington County, Maryland. It was built in 1910 and reconstructed in 1986, so it is 115 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 233 vehicles a day, roughly 5% of them trucks, projected to reach 321 by 2037. The structure is 40 ft (12.2 m) long and 15 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesPoplar Grove Road
CrossesLittle Antietam Creek
Location0.98 MI E of Md RTE 64
RouteCounty Highway 774
CountyWashington County
StateMaryland
Coordinates39.68869, -77.59206
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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no 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 geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating93.5 US tons
Inventory rating56 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length40 ft (12.2 m)
Longest span35 ft (10.7 m)
Deck width15 ft (4.7 m)
Roadway width14 ft (4.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic233 (2015)
Projected traffic321 by 2037
Trucks5%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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$310,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Poplar Grove Road over Little Antietam Creek built?

It was built in 1910, making it 115 years old in 2025. It was reconstructed in 1986.

What condition is Poplar Grove 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 Poplar Grove Road over Little Antietam Creek carry?

About 233 vehicles per day (2015 count), of which roughly 5% are trucks.

How long is Poplar Grove Road over Little Antietam Creek?

The structure is 40 ft (12.2 m) long with a longest span of 35 ft (10.7 m) and a deck 15 ft wide.

Who owns Poplar Grove Road over Little Antietam Creek?

It is owned by the County Highway Agency.