US Bridges

White Marsh Road over Tributary to White Marsh

Good

Baltimore County, Maryland · 1.0 MI E of Md Rt 1 · Structure no. 200000B-0500010

Built
2005
20 years old
Condition
Good
inspected November 2023
Type
Arch - Deck
Concrete
Length
33 ft
1 main span
Daily traffic
3,320
2023 count
Owner
County
County Highway Agency

About this bridge

White Marsh Road over Tributary to White Marsh is a concrete arch - deck carrying White Marsh Road over Tributary to White Marsh in Baltimore County, Maryland. It was built in 2005, so it is 20 years old, younger than the Maryland average of 52.6 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 3,320 vehicles a day, roughly 5% of them trucks, projected to reach 6,639 by 2045. The structure is 33 ft (10.1 m) long and 42 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesWhite Marsh Road
CrossesTributary to White Marsh
Location1.0 MI E of Md Rt 1
RouteCounty Highway 4198
Coordinates39.37767, -76.48717
Functional classUrban Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating89.5 US tons
Inventory rating63.9 US tons

Structure

Structure typeArch - Deck
MaterialConcrete
DeckConcrete, precast panels
Main spans1
Design loadHS 25 or greater
Structure length33 ft (10.1 m)
Longest span33 ft (10.1 m)
Deck width42 ft (12.7 m)
Roadway width27 ft (8.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,320 (2023)
Projected traffic6,639 by 2045
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
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 statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was White Marsh Road over Tributary to White Marsh built?

It was built in 2005, making it 20 years old in 2025.

What condition is White Marsh Road over Tributary to White Marsh in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in November 2023.

How much traffic does White Marsh Road over Tributary to White Marsh carry?

About 3,320 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is White Marsh Road over Tributary to White Marsh?

The structure is 33 ft (10.1 m) long with a longest span of 33 ft (10.1 m) and a deck 42 ft wide.

Who owns White Marsh Road over Tributary to White Marsh?

It is owned by the County Highway Agency.