US Bridges

Md 363 over Manokin River

Fair

Somerset County, Maryland · 0.06 Mile West of US 13 · Structure no. 100000190009010

Built
1974
51 years old
Condition
Fair
inspected February 2023
Type
Slab
Prestressed Concrete
Length
85 ft
3 main spans
Daily traffic
3,722
2012 count
Owner
State
State Highway Agency

About this bridge

Md 363 over Manokin River is a prestressed concrete slab carrying Md 363 over Manokin River in Somerset County, Maryland. It was built in 1974, so it is 51 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 3,722 vehicles a day, roughly 8% of them trucks, projected to reach 5,211 by 2032. The structure is 85 ft (25.9 m) long and 47 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesMd 363
CrossesManokin River
Location0.06 Mile West of US 13
RouteState Highway 363
Coordinates38.20357, -75.69978
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating94 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length85 ft (25.9 m)
Longest span30 ft (9.1 m)
Deck width47 ft (14.4 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,722 (2012)
Projected traffic5,211 by 2032
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusListed on the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Md 363 over Manokin River built?

It was built in 1974, making it 51 years old in 2025.

What condition is Md 363 over Manokin River 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 February 2023.

How much traffic does Md 363 over Manokin River carry?

About 3,722 vehicles per day (2012 count), of which roughly 8% are trucks.

How long is Md 363 over Manokin River?

The structure is 85 ft (25.9 m) long with a longest span of 30 ft (9.1 m) and a deck 47 ft wide.

Who owns Md 363 over Manokin River?

It is owned by the State Highway Agency.