US Bridges

King Avenue over Tributary to White Marsh

Poor

Baltimore County, Maryland · 0.5 MI NW of SR 7 · Structure no. 200000B-0539030

Built
1978
47 years old
Condition
Poor
inspected March 2023
Type
Culvert
Steel
Length
42 ft
Daily traffic
8,126
2024 count
Owner
County
County Highway Agency

About this bridge

King Avenue over Tributary to White Marsh is a steel culvert carrying King Avenue over Tributary to White Marsh in Baltimore County, Maryland. It was built in 1978, so it is 47 years old, younger than the Maryland average of 52.6 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 8,126 vehicles a day, roughly 5% of them trucks, projected to reach 8,140 by 2044. The structure is 42 ft (12.9 m) long. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesKing Avenue
CrossesTributary to White Marsh
Location0.5 MI NW of SR 7
CountyBaltimore County
StateMaryland
Coordinates39.35704, -76.4689
Functional classRural Minor Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating110.1 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans0
Design loadUnknown
Structure length42 ft (12.9 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,126 (2024)
Projected traffic8,140 by 2044
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
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 King Avenue over Tributary to White Marsh built?

It was built in 1978, making it 47 years old in 2025.

What condition is King Avenue over Tributary to White Marsh in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in March 2023.

How much traffic does King Avenue over Tributary to White Marsh carry?

About 8,126 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is King Avenue over Tributary to White Marsh?

The structure is 42 ft (12.9 m) long with a longest span of 10 ft (3 m).

Who owns King Avenue over Tributary to White Marsh?

It is owned by the County Highway Agency.