US Bridges

Md 51 over Sawpit Run

Fair

Allegany County, Maryland · 0.48 M E of Pack Horse RD · Structure no. 100000010046010

Built
1932
93 years old
Condition
Fair
inspected March 2024
Type
Slab
Concrete
Length
44 ft
2 main spans
Daily traffic
2,142
2009 count
Owner
State
State Highway Agency

About this bridge

Md 51 over Sawpit Run is a concrete slab carrying Md 51 over Sawpit Run in Allegany County, Maryland. It was built in 1932, so it is 93 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 2,142 vehicles a day, roughly 8% of them trucks, projected to reach 2,573 by 2026. The structure is 44 ft (13.4 m) long and 30 ft wide. If it were closed, the detour would be 24.9 mi (40 km).

Location

Open in Google Maps
CarriesMd 51
CrossesSawpit Run
Location0.48 M E of Pack Horse RD
RouteState Highway 51
CountyAllegany County
StateMaryland
Coordinates39.54571, -78.55145
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 protection8 Very GoodNo problems noted.
Last inspectionMarch 2024
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 geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating73.5 US tons
Inventory rating44 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length44 ft (13.4 m)
Longest span20 ft (6.1 m)
Deck width30 ft (9.1 m)
Roadway width27 ft (8.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,142 (2009)
Projected traffic2,573 by 2026
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed24.9 mi (40 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$87,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Md 51 over Sawpit Run built?

It was built in 1932, making it 93 years old in 2025.

What condition is Md 51 over Sawpit 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 March 2024.

How much traffic does Md 51 over Sawpit Run carry?

About 2,142 vehicles per day (2009 count), of which roughly 8% are trucks.

How long is Md 51 over Sawpit Run?

The structure is 44 ft (13.4 m) long with a longest span of 20 ft (6.1 m) and a deck 30 ft wide.

Who owns Md 51 over Sawpit Run?

It is owned by the State Highway Agency.