US Bridges

Beaver Dam Road over Oregon Branch

FairPosted for load

Baltimore County, Maryland · 0.3 MI S of Shawan Road · Structure no. 200000B-0091010

Built
1952
73 years old, rebuilt 2002
Condition
Fair
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
51 ft
1 main span
Daily traffic
6,171
2023 count
Owner
County
County Highway Agency

About this bridge

Beaver Dam Road over Oregon Branch is a steel stringer/multi-beam or girder carrying Beaver Dam Road over Oregon Branch in Baltimore County, Maryland. It was built in 1952 and reconstructed in 2002, so it is 73 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. Its operating status is: posted for load restriction.

It carries about 6,171 vehicles a day, roughly 5% of them trucks, projected to reach 6,296 by 2043. The structure is 51 ft (15.5 m) long and 36 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

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CarriesBeaver Dam Road
CrossesOregon Branch
Location0.3 MI S of Shawan Road
RouteCounty Highway 434
CountyBaltimore County
StateMaryland
Coordinates39.49523, -76.68179
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating66 US tons
Inventory rating39.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length51 ft (15.5 m)
Longest span45 ft (13.7 m)
Deck width36 ft (11 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,171 (2023)
Projected traffic6,296 by 2043
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
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 Beaver Dam Road over Oregon Branch built?

It was built in 1952, making it 73 years old in 2025. It was reconstructed in 2002.

What condition is Beaver Dam Road over Oregon Branch 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 August 2023.

How much traffic does Beaver Dam Road over Oregon Branch carry?

About 6,171 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is Beaver Dam Road over Oregon Branch?

The structure is 51 ft (15.5 m) long with a longest span of 45 ft (13.7 m) and a deck 36 ft wide.

Who owns Beaver Dam Road over Oregon Branch?

It is owned by the County Highway Agency.