US Bridges

Scott Adam Road over Parks Run

Fair

Baltimore County, Maryland · 0.09 MI E of Md 45 · Structure no. 200000B-0422030

Built
1965
60 years old
Condition
Fair
inspected December 2023
Type
Culvert
Steel
Length
45 ft
Daily traffic
2,200
2021 count
Owner
County
County Highway Agency

About this bridge

Scott Adam Road over Parks Run is a steel culvert carrying Scott Adam Road over Parks Run in Baltimore County, Maryland. It was built in 1965, so it is 60 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 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 2,200 vehicles a day, roughly 5% of them trucks, projected to reach 2,672 by 2041. The structure is 45 ft (13.8 m) long. If it were closed, the detour would be 3.7 mi (6 km).

CarriesScott Adam Road
CrossesParks Run
Location0.09 MI E of Md 45
RouteCounty Highway 421
Coordinates39.47183, -76.63814
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
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans0
Design loadUnknown
Structure length45 ft (13.8 m)
Longest span16 ft (4.9 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,200 (2021)
Projected traffic2,672 by 2041
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 Scott Adam Road over Parks Run built?

It was built in 1965, making it 60 years old in 2025.

What condition is Scott Adam Road over Parks 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 December 2023.

How much traffic does Scott Adam Road over Parks Run carry?

About 2,200 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is Scott Adam Road over Parks Run?

The structure is 45 ft (13.8 m) long with a longest span of 16 ft (4.9 m).

Who owns Scott Adam Road over Parks Run?

It is owned by the County Highway Agency.