US Bridges

Edwards Ferry Road over C&o Canal

Good

Montgomery County, Maryland · 0.1 Miles North of Potoma · Structure no. 3100001P0000000

Built
2024
1 years old
Condition
Good
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
42 ft
1 main span
Daily traffic
50
2007 count
Owner
Federal
National Park Service

About this bridge

Edwards Ferry Road over C&o Canal is a steel stringer/multi-beam or girder carrying Edwards Ferry Road over C&o Canal in Montgomery County, Maryland. It was built in 2024, so it is 1 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 50 vehicles a day, roughly 1% of them trucks, projected to reach 2 by 2027. The structure is 42 ft (12.8 m) long and 12 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

Location

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CarriesEdwards Ferry Road
CrossesC&o Canal
Location0.1 Miles North of Potoma
RouteFederal Lands Road 128
CountyMontgomery County
StateMaryland
Coordinates39.10361, -77.47258
Functional classRural Minor Collector

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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations on dry land well above flood water elevations
Structural evaluation8: Equal to present desirable criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckWood or timber
Main spans1
Design loadUnknown
Structure length42 ft (12.8 m)
Longest span40 ft (12.2 m)
Deck width12 ft (3.7 m)
Roadway width10 ft (3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2007)
Projected traffic2 by 2027
Trucks1%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerNational Park Service
Maintained byNational Park Service
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 Edwards Ferry Road over C&o Canal built?

It was built in 2024, making it 1 years old in 2025.

What condition is Edwards Ferry 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 September 2024.

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

About 50 vehicles per day (2007 count), of which roughly 1% are trucks.

How long is Edwards Ferry Road over C&o Canal?

The structure is 42 ft (12.8 m) long with a longest span of 40 ft (12.2 m) and a deck 12 ft wide.

Who owns Edwards Ferry Road over C&o Canal?

It is owned by the National Park Service.