US Bridges

River Road over C&o Canal

Good

Allegany County, Maryland · 0.19 MI S of Ppg RD · Structure no. 200000A-0084010

Built
2014
11 years old
Condition
Good
inspected November 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
44 ft
1 main span
Daily traffic
105
2019 count
Owner
County
County Highway Agency

About this bridge

River Road over C&o Canal is a prestressed concrete box beam or girders - multiple carrying River Road over C&o Canal 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 105 vehicles a day, roughly 5% of them trucks, projected to reach 130 by 2039. The structure is 44 ft (13.4 m) long and 27 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

Location

Open in Google Maps
CarriesRiver Road
CrossesC&o Canal
Location0.19 MI S of Ppg RD
RouteCounty Highway 519
CountyAllegany County
StateMaryland
Coordinates36.5879, -78.73811
Functional classUrban Local

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating47.2 US tons
Inventory rating36.4 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length44 ft (13.4 m)
Longest span42 ft (12.8 m)
Deck width27 ft (8.2 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic105 (2019)
Projected traffic130 by 2039
Trucks5%
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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was River Road over C&o Canal built?

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

What condition is River Road over C&o Canal 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 November 2023.

How much traffic does River Road over C&o Canal carry?

About 105 vehicles per day (2019 count), of which roughly 5% are trucks.

How long is River Road over C&o Canal?

The structure is 44 ft (13.4 m) long with a longest span of 42 ft (12.8 m) and a deck 27 ft wide.

Who owns River Road over C&o Canal?

It is owned by the County Highway Agency.