US Bridges

Md 42 over Buffalo Run

Fair

Garrett County, Maryland · 1.02 Miles N of Md 42A · Structure no. 100000110010010

Built
1933
92 years old
Condition
Fair
inspected April 2023
Type
Arch - Deck
Concrete
Length
40 ft
1 main span
Daily traffic
2,055
2013 count
Owner
State
State Highway Agency

About this bridge

Md 42 over Buffalo Run is a concrete arch - deck carrying Md 42 over Buffalo Run in Garrett County, Maryland. It was built in 1933, so it is 92 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 2,055 vehicles a day, roughly 8% of them trucks, projected to reach 3,057 by 2026. The structure is 40 ft (12.2 m) long and 34 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

Location

Open in Google Maps
CarriesMd 42
CrossesBuffalo Run
Location1.02 Miles N of Md 42A
RouteState Highway 42
CountyGarrett County
StateMaryland
Coordinates39.66341, -79.45081
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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating110.1 US tons
Inventory rating110.1 US tons

Structure

Structure typeArch - Deck
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length40 ft (12.2 m)
Longest span40 ft (12.2 m)
Deck width34 ft (10.3 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,055 (2013)
Projected traffic3,057 by 2026
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 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 42 over Buffalo Run built?

It was built in 1933, making it 92 years old in 2025.

What condition is Md 42 over Buffalo Run 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 April 2023.

How much traffic does Md 42 over Buffalo Run carry?

About 2,055 vehicles per day (2013 count), of which roughly 8% are trucks.

How long is Md 42 over Buffalo Run?

The structure is 40 ft (12.2 m) long with a longest span of 40 ft (12.2 m) and a deck 34 ft wide.

Who owns Md 42 over Buffalo Run?

It is owned by the State Highway Agency.