US Bridges

Beaver Dam Road over Beaver Dam Run

Fair

Baltimore County, Maryland · 0.1 MI N Cockeysville RD · Structure no. 200000B-0090010

Built
1976
49 years old
Condition
Fair
inspected July 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
115 ft
2 main spans
Daily traffic
27,012
2023 count
Owner
County
County Highway Agency

About this bridge

Beaver Dam Road over Beaver Dam Run is a steel continuous stringer/multi-beam or girder carrying Beaver Dam Road over Beaver Dam Run in Baltimore County, Maryland. It was built in 1976, so it is 49 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 27,012 vehicles a day, roughly 5% of them trucks, projected to reach 34,640 by 2040. The structure is 115 ft (35.1 m) long and 60 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesBeaver Dam Road
CrossesBeaver Dam Run
Location0.1 MI N Cockeysville RD
RouteCounty Highway 434
CountyBaltimore County
StateMaryland
Coordinates39.47951, -76.65479
Functional classUrban 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no 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 alignment7: Better than present minimum criteria
Operating rating73 US tons
Inventory rating43.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length115 ft (35.1 m)
Longest span55 ft (16.8 m)
Deck width60 ft (18.3 m)
Roadway width48 ft (14.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic27,012 (2023)
Projected traffic34,640 by 2040
Trucks5%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 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 proposedReplacement because of relocation of road
Estimated improvement cost$25,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Beaver Dam Road over Beaver Dam Run built?

It was built in 1976, making it 49 years old in 2025.

What condition is Beaver Dam Road over Beaver Dam 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 July 2023.

How much traffic does Beaver Dam Road over Beaver Dam Run carry?

About 27,012 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is Beaver Dam Road over Beaver Dam Run?

The structure is 115 ft (35.1 m) long with a longest span of 55 ft (16.8 m) and a deck 60 ft wide.

Who owns Beaver Dam Road over Beaver Dam Run?

It is owned by the County Highway Agency.