US Bridges

Md 852H over West Branch Patapsco Riv

Fair

Carroll County, Maryland · 0.02 Mile West of Md 852G · Structure no. 100000060005010

Built
1911
114 years old
Condition
Fair
inspected April 2024
Type
Tee Beam
Concrete
Length
22 ft
1 main span
Daily traffic
999
2002 count
Owner
State
State Highway Agency

About this bridge

Md 852H over West Branch Patapsco Riv is a concrete tee beam carrying Md 852H over West Branch Patapsco Riv in Carroll County, Maryland. It was built in 1911, so it is 114 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 999 vehicles a day, roughly 8% of them trucks, projected to reach 1,152 by 2022. The structure is 22 ft (6.7 m) long and 24 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesMd 852H
CrossesWest Branch Patapsco Riv
Location0.02 Mile West of Md 852G
RouteState Highway 852H
Coordinates39.58408, -76.97319
Functional classUrban Local

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 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 geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating60.5 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length22 ft (6.7 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 traffic999 (2002)
Projected traffic1,152 by 2022
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 statusNot eligible for the National Register of Historic Places
Work proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$35,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Md 852H over West Branch Patapsco Riv built?

It was built in 1911, making it 114 years old in 2025.

What condition is Md 852H over West Branch Patapsco Riv 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 2024.

How much traffic does Md 852H over West Branch Patapsco Riv carry?

About 999 vehicles per day (2002 count), of which roughly 8% are trucks.

How long is Md 852H over West Branch Patapsco Riv?

The structure is 22 ft (6.7 m) long with a longest span of 20 ft (6.1 m) and a deck 24 ft wide.

Who owns Md 852H over West Branch Patapsco Riv?

It is owned by the State Highway Agency.