US Bridges

Western Run Road over Blackrock Run

FairPosted for load

Baltimore County, Maryland · 0.1 MI E of Falls RD · Structure no. 200000B-0030010

Built
1974
51 years old
Condition
Fair
inspected April 2023
Type
Truss - Thru
Steel
Length
117 ft
1 main span
Daily traffic
1,230
2017 count
Owner
County
County Highway Agency

About this bridge

Western Run Road over Blackrock Run is a steel truss - thru carrying Western Run Road over Blackrock Run in Baltimore 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 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 1,230 vehicles a day, roughly 5% of them trucks, projected to reach 3,040 by 2037. The structure is 117 ft (35.7 m) long and 12 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesWestern Run Road
CrossesBlackrock Run
Location0.1 MI E of Falls RD
RouteCounty Highway 195
CountyBaltimore County
StateMaryland
Coordinates39.53396, -76.72537
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating42 US tons
Inventory rating25 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckSteel plate
Main spans1
Design loadHS 20
Structure length117 ft (35.7 m)
Longest span111 ft (33.8 m)
Deck width12 ft (3.7 m)
Roadway width11 ft (3.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,230 (2017)
Projected traffic3,040 by 2037
Trucks5%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 Western Run Road over Blackrock Run built?

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

What condition is Western Run Road over Blackrock 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 April 2023.

How much traffic does Western Run Road over Blackrock Run carry?

About 1,230 vehicles per day (2017 count), of which roughly 5% are trucks.

How long is Western Run Road over Blackrock Run?

The structure is 117 ft (35.7 m) long with a longest span of 111 ft (33.8 m) and a deck 12 ft wide.

Who owns Western Run Road over Blackrock Run?

It is owned by the County Highway Agency.