US Bridges

Potomac Hollow Roa over Moores Run

Good

Allegany County, Maryland · 0.48 MI S of Md 935 · Structure no. 200000A-0008010

Built
2014
11 years old
Condition
Good
inspected December 2023
Type
Box Beam or Girders - Multiple
Other
Length
32 ft
1 main span
Daily traffic
268
2019 count
Owner
County
County Highway Agency

About this bridge

Potomac Hollow Roa over Moores Run is a other box beam or girders - multiple carrying Potomac Hollow Roa over Moores Run in Allegany County, Maryland. It was built in 2014, so it is 11 years old, younger than the Maryland average of 52.6 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 268 vehicles a day, roughly 10% of them trucks, projected to reach 316 by 2039. The structure is 32 ft (9.9 m) long and 25 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

Location

Open in Google Maps
CarriesPotomac Hollow Roa
CrossesMoores Run
Location0.48 MI S of Md 935
RouteCounty Highway 20
CountyAllegany County
StateMaryland
Coordinates39.52804, -79.00881
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating51 US tons
Inventory rating39.7 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialOther
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length32 ft (9.9 m)
Longest span32 ft (9.8 m)
Deck width25 ft (7.6 m)
Roadway width22 ft (6.8 m)
Vertical clearance over deck25 ft (7.6 m)

Traffic and service

Average daily traffic268 (2019)
Projected traffic316 by 2039
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 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 Potomac Hollow Roa over Moores Run built?

It was built in 2014, making it 11 years old in 2025.

What condition is Potomac Hollow Roa over Moores Run in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in December 2023.

How much traffic does Potomac Hollow Roa over Moores Run carry?

About 268 vehicles per day (2019 count), of which roughly 10% are trucks.

How long is Potomac Hollow Roa over Moores Run?

The structure is 32 ft (9.9 m) long with a longest span of 32 ft (9.8 m) and a deck 25 ft wide.

Who owns Potomac Hollow Roa over Moores Run?

It is owned by the County Highway Agency.