US Bridges

Quaker Bottom Road over Rock Run

FairPosted for load

Harford County, Maryland · 0.01 Mil S of Rock Run RD · Structure no. 200000H-0021010

Built
1982
43 years old
Condition
Fair
inspected July 2023
Type
Arch - Deck
Concrete
Length
42 ft
1 main span
Daily traffic
220
2019 count
Owner
County
County Highway Agency

About this bridge

Quaker Bottom Road over Rock Run is a concrete arch - deck carrying Quaker Bottom Road over Rock Run in Harford County, Maryland. It was built in 1982, so it is 43 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. Its operating status is: posted for load restriction.

It carries about 220 vehicles a day, roughly 5% of them trucks, projected to reach 270 by 2039. The structure is 42 ft (12.8 m) long and 46 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesQuaker Bottom Road
CrossesRock Run
Location0.01 Mil S of Rock Run RD
RouteCounty Highway 383
CountyHarford County
StateMaryland
Coordinates36.60183, -76.15019
Functional classRural 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
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 statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating57.5 US tons
Inventory rating34.5 US tons

Structure

Structure typeArch - Deck
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length42 ft (12.8 m)
Longest span35 ft (10.7 m)
Deck width46 ft (13.9 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic220 (2019)
Projected traffic270 by 2039
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 Quaker Bottom Road over Rock Run built?

It was built in 1982, making it 43 years old in 2025.

What condition is Quaker Bottom Road over Rock 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 Quaker Bottom Road over Rock Run carry?

About 220 vehicles per day (2019 count), of which roughly 5% are trucks.

How long is Quaker Bottom Road over Rock Run?

The structure is 42 ft (12.8 m) long with a longest span of 35 ft (10.7 m) and a deck 46 ft wide.

Who owns Quaker Bottom Road over Rock Run?

It is owned by the County Highway Agency.