US Bridges

Patapsco Road over West Br Patapsco River

Fair

Carroll County, Maryland · 0.04 MI N of Wesley Road · Structure no. 200000CL0353010

Built
1980
45 years old
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
138 ft
2 main spans
Daily traffic
706
2021 count
Owner
County
County Highway Agency

About this bridge

Patapsco Road over West Br Patapsco River is a steel stringer/multi-beam or girder carrying Patapsco Road over West Br Patapsco River in Carroll County, Maryland. It was built in 1980, so it is 45 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 706 vehicles a day, roughly 5% of them trucks, projected to reach 1,160 by 2041. The structure is 138 ft (42.1 m) long and 35 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

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CarriesPatapsco Road
CrossesWest Br Patapsco River
Location0.04 MI N of Wesley Road
RouteCounty Highway 465
CountyCarroll County
StateMaryland
Coordinates39.53851, -76.89537
Functional classRural Minor 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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating110.1 US tons
Inventory rating63.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length138 ft (42.1 m)
Longest span78 ft (23.8 m)
Deck width35 ft (10.7 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic706 (2021)
Projected traffic1,160 by 2041
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 Patapsco Road over West Br Patapsco River built?

It was built in 1980, making it 45 years old in 2025.

What condition is Patapsco Road over West Br Patapsco 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 May 2023.

How much traffic does Patapsco Road over West Br Patapsco River carry?

About 706 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is Patapsco Road over West Br Patapsco River?

The structure is 138 ft (42.1 m) long with a longest span of 78 ft (23.8 m) and a deck 35 ft wide.

Who owns Patapsco Road over West Br Patapsco River?

It is owned by the County Highway Agency.