US Bridges

Seminary Avenue over Long Quarter Branch

Fair

Baltimore County, Maryland · 0.08 MI W of Md 146 · Structure no. 200000B-0315020

Built
1953
72 years old
Condition
Fair
inspected April 2023
Type
Culvert
Concrete
Length
28 ft
Daily traffic
7,400
2023 count
Owner
County
County Highway Agency

About this bridge

Seminary Avenue over Long Quarter Branch is a concrete culvert carrying Seminary Avenue over Long Quarter Branch in Baltimore County, Maryland. It was built in 1953, so it is 72 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.

It carries about 7,400 vehicles a day, roughly 5% of them trucks, projected to reach 9,220 by 2045. The structure is 28 ft (8.5 m) long. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesSeminary Avenue
CrossesLong Quarter Branch
Location0.08 MI W of Md 146
RouteCounty Highway 995
CountyBaltimore County
StateMaryland
Coordinates39.42494, -76.59842
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating90.9 US tons
Inventory rating54.5 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans0
Design loadHS 20
Structure length28 ft (8.5 m)
Longest span11 ft (3.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,400 (2023)
Projected traffic9,220 by 2045
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Seminary Avenue over Long Quarter Branch built?

It was built in 1953, making it 72 years old in 2025.

What condition is Seminary Avenue 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 April 2023.

How much traffic does Seminary Avenue over Long Quarter Branch carry?

About 7,400 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is Seminary Avenue over Long Quarter Branch?

The structure is 28 ft (8.5 m) long with a longest span of 11 ft (3.4 m).

Who owns Seminary Avenue over Long Quarter Branch?

It is owned by the County Highway Agency.