US Bridges

Shepherd Avenue over Tributary to Herring Run

Fair

Baltimore County, Maryland · 0.02 MI N of Taylor Ave · Structure no. 200000B-0341020

Built
1969
56 years old
Condition
Fair
inspected July 2023
Type
Culvert
Concrete
Length
37 ft
Daily traffic
439
2023 count
Owner
County
County Highway Agency

About this bridge

Shepherd Avenue over Tributary to Herring Run is a concrete culvert carrying Shepherd Avenue over Tributary to Herring Run in Baltimore County, Maryland. It was built in 1969, so it is 56 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 439 vehicles a day, roughly 5% of them trucks, projected to reach 515 by 2043. The structure is 37 ft (11.3 m) long and 42 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesShepherd Avenue
CrossesTributary to Herring Run
Location0.02 MI N of Taylor Ave
RouteCounty Highway 3695
CountyBaltimore County
StateMaryland
Coordinates39.3796, -76.55358
Functional classUrban Other Principal 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 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 inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating55.4 US tons
Inventory rating33 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans0
Design loadHS 20
Structure length37 ft (11.3 m)
Longest span14 ft (4.3 m)
Deck width42 ft (12.8 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic439 (2023)
Projected traffic515 by 2043
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 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 Shepherd Avenue over Tributary to Herring Run built?

It was built in 1969, making it 56 years old in 2025.

What condition is Shepherd Avenue over Tributary to Herring 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 Shepherd Avenue over Tributary to Herring Run carry?

About 439 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is Shepherd Avenue over Tributary to Herring Run?

The structure is 37 ft (11.3 m) long with a longest span of 14 ft (4.3 m) and a deck 42 ft wide.

Who owns Shepherd Avenue over Tributary to Herring Run?

It is owned by the County Highway Agency.