US Bridges

US 220 over N Potomac River Md 135

Fair

Allegany County, Maryland · On West Virginia Line · Structure no. 100000010060010

Built
2012
13 years old
Condition
Fair
inspected January 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
2,125 ft
6 main spans
Daily traffic
16,452
2015 count
Owner
State
State Highway Agency

About this bridge

US 220 over N Potomac River Md 135 is a steel continuous stringer/multi-beam or girder carrying US 220 over N Potomac River Md 135 in Allegany County, Maryland. It was built in 2012, so it is 13 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 6 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 16,452 vehicles a day, roughly 12% of them trucks, projected to reach 17,723 by 2033. The structure is 2,125 ft (647.7 m) long and 56 ft wide. If it were closed, the detour would be 14.9 mi (24 km).

Location

Open in Google Maps
CarriesUS 220
CrossesN Potomac River Md 135
LocationOn West Virginia Line
RouteU.S. Route 220
CountyAllegany County
StateMaryland
Coordinates39.4446, -78.97321
Functional classUrban Other Principal Arterial

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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJanuary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating48.9 US tons
Inventory rating37 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans6 (+4 approach)
Design loadUnknown
Structure length2,125 ft (647.7 m)
Longest span230 ft (70.1 m)
Deck width56 ft (17 m)
Roadway width48 ft (14.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic16,452 (2015)
Projected traffic17,723 by 2033
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway, waterway and railroad
Detour if closed14.9 mi (24 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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$16 million
NavigationNo navigation control on waterway

Frequently asked questions

When was US 220 over N Potomac River Md 135 built?

It was built in 2012, making it 13 years old in 2025.

What condition is US 220 over N Potomac River Md 135 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 January 2023.

How much traffic does US 220 over N Potomac River Md 135 carry?

About 16,452 vehicles per day (2015 count), of which roughly 12% are trucks.

How long is US 220 over N Potomac River Md 135?

The structure is 2,125 ft (647.7 m) long with a longest span of 230 ft (70.1 m) and a deck 56 ft wide.

Who owns US 220 over N Potomac River Md 135?

It is owned by the State Highway Agency.