US Bridges

Md 675 over Manokin River

Fair

Somerset County, Maryland · 0.08 Mile North of Md 918 · Structure no. 100000190002010

Built
1921
104 years old, rebuilt 1951
Condition
Fair
inspected September 2023
Type
Slab
Concrete
Length
23 ft
2 main spans
Daily traffic
7,131
2009 count
Owner
State
State Highway Agency

About this bridge

Md 675 over Manokin River is a concrete slab carrying Md 675 over Manokin River in Somerset County, Maryland. It was built in 1921 and reconstructed in 1951, so it is 104 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 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 7,131 vehicles a day, roughly 8% of them trucks, projected to reach 8,187 by 2026. The structure is 23 ft (7 m) long and 44 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesMd 675
CrossesManokin River
Location0.08 Mile North of Md 918
RouteState Highway 675
Coordinates38.20657, -75.69431
Functional classUrban Minor 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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating56.4 US tons
Inventory rating34 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadH 20
Structure length23 ft (7 m)
Longest span11 ft (3.4 m)
Deck width44 ft (13.4 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,131 (2009)
Projected traffic8,187 by 2026
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
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 675 over Manokin River built?

It was built in 1921, making it 104 years old in 2025. It was reconstructed in 1951.

What condition is Md 675 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 September 2023.

How much traffic does Md 675 over Manokin River carry?

About 7,131 vehicles per day (2009 count), of which roughly 8% are trucks.

How long is Md 675 over Manokin River?

The structure is 23 ft (7 m) long with a longest span of 11 ft (3.4 m) and a deck 44 ft wide.

Who owns Md 675 over Manokin River?

It is owned by the State Highway Agency.