US Bridges

Md 146 over Long Quarter Branch

Fair

Baltimore County, Maryland · 0.89 Mile North of Is 695 · Structure no. 100000030303020

Built
1979
46 years old
Condition
Fair
inspected July 2023
Type
Culvert
Concrete
Length
52 ft
Daily traffic
15,952
2018 count
Owner
State
State Highway Agency

About this bridge

Md 146 over Long Quarter Branch is a concrete culvert carrying Md 146 over Long Quarter Branch in Baltimore County, Maryland. It was built in 1979, so it is 46 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 15,952 vehicles a day, roughly 8% of them trucks, projected to reach 15,981 by 2038. The structure is 52 ft (15.9 m) long. If it were closed, the detour would be 3.7 mi (6 km).

Location

No coordinates are recorded for this structure.

CarriesMd 146
CrossesLong Quarter Branch
Location0.89 Mile North of Is 695
RouteState Highway 146
CountyBaltimore County
StateMaryland
Functional classUrban Minor Arterial

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 protection7 GoodSome minor problems.
Culvert6 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
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating110.1 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans0
Design loadHS 20
Structure length52 ft (15.9 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 traffic15,952 (2018)
Projected traffic15,981 by 2038
Trucks8%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 Md 146 over Long Quarter Branch built?

It was built in 1979, making it 46 years old in 2025.

What condition is Md 146 over Long Quarter 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 July 2023.

How much traffic does Md 146 over Long Quarter Branch carry?

About 15,952 vehicles per day (2018 count), of which roughly 8% are trucks.

How long is Md 146 over Long Quarter Branch?

The structure is 52 ft (15.9 m) long with a longest span of 16 ft (4.9 m).

Who owns Md 146 over Long Quarter Branch?

It is owned by the State Highway Agency.