US Bridges

Md 47 over North Branch

Good

Allegany County, Maryland · 0.23 MI N of Md 36 · Structure no. 100000010043010

Built
2016
9 years old
Condition
Good
inspected February 2025
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
98 ft
1 main span
Daily traffic
2,300
2010 count
Owner
State
State Highway Agency

About this bridge

Md 47 over North Branch is a prestressed concrete stringer/multi-beam or girder carrying Md 47 over North Branch in Allegany County, Maryland. It was built in 2016, so it is 9 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 2,300 vehicles a day, roughly 8% of them trucks, projected to reach 2,750 by 2030. The structure is 98 ft (29.9 m) long and 42 ft wide. If it were closed, the detour would be 14.9 mi (24 km).

CarriesMd 47
CrossesNorth Branch
Location0.23 MI N of Md 36
RouteState Highway 47
Coordinates39.70389, -78.84349
Functional classRural Major 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 inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable 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 alignment6: Equal to present minimum criteria
Operating rating59 US tons
Inventory rating45.3 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length98 ft (29.9 m)
Longest span85 ft (25.9 m)
Deck width42 ft (12.8 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,300 (2010)
Projected traffic2,750 by 2030
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.9 mi (24 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 Md 47 over North Branch built?

It was built in 2016, making it 9 years old in 2025.

What condition is Md 47 over North Branch 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 February 2025.

How much traffic does Md 47 over North Branch carry?

About 2,300 vehicles per day (2010 count), of which roughly 8% are trucks.

How long is Md 47 over North Branch?

The structure is 98 ft (29.9 m) long with a longest span of 85 ft (25.9 m) and a deck 42 ft wide.

Who owns Md 47 over North Branch?

It is owned by the State Highway Agency.