US Bridges

Md 47 over Branch of North Branch

Fair

Allegany County, Maryland · 0.09 MI S of Pa Line · Structure no. 100000010070010

Built
1923
102 years old
Condition
Fair
inspected January 2023
Type
Tee Beam
Concrete
Length
23 ft
1 main span
Daily traffic
2,042
2009 count
Owner
State
State Highway Agency

About this bridge

Md 47 over Branch of North Branch is a concrete tee beam carrying Md 47 over Branch of North Branch in Allegany County, Maryland. It was built in 1923, so it is 102 years old, older 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 5 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 2,042 vehicles a day, roughly 8% of them trucks, projected to reach 3,063 by 2029. The structure is 23 ft (7 m) long and 24 ft wide. If it were closed, the detour would be 14.9 mi (24 km).

Location

Open in Google Maps
CarriesMd 47
CrossesBranch of North Branch
Location0.09 MI S of Pa Line
RouteState Highway 47
CountyAllegany County
StateMaryland
Coordinates39.72243, -78.84511
Functional classRural Major Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJanuary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating110.1 US tons
Inventory rating62.9 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length23 ft (7 m)
Longest span20 ft (6.1 m)
Deck width24 ft (7.3 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,042 (2009)
Projected traffic3,063 by 2029
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 proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$36,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Md 47 over Branch of North Branch built?

It was built in 1923, making it 102 years old in 2025.

What condition is Md 47 over Branch of North Branch 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 Md 47 over Branch of North Branch carry?

About 2,042 vehicles per day (2009 count), of which roughly 8% are trucks.

How long is Md 47 over Branch of North Branch?

The structure is 23 ft (7 m) long with a longest span of 20 ft (6.1 m) and a deck 24 ft wide.

Who owns Md 47 over Branch of North Branch?

It is owned by the State Highway Agency.