US Bridges

Walther Boulevard over White Marsh Run

Fair

Baltimore County, Maryland · 0.6 MI E. Ex. 31C I-695 · Structure no. 200000B-0529030

Built
1990
35 years old
Condition
Fair
inspected December 2023
Type
Culvert
Steel
Length
44 ft
Daily traffic
11,638
2023 count
Owner
County
County Highway Agency

About this bridge

Walther Boulevard over White Marsh Run is a steel culvert carrying Walther Boulevard over White Marsh Run in Baltimore County, Maryland. It was built in 1990, so it is 35 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 11,638 vehicles a day, roughly 5% of them trucks, projected to reach 14,476 by 2045. The structure is 44 ft (13.5 m) long. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesWalther Boulevard
CrossesWhite Marsh Run
Location0.6 MI E. Ex. 31C I-695
CountyBaltimore County
StateMaryland
Coordinates39.38136, -76.5123
Functional classUrban Local

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.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans0
Design loadUnknown
Structure length44 ft (13.5 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 traffic11,638 (2023)
Projected traffic14,476 by 2045
Trucks5%
Lanes on structure6
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 Walther Boulevard over White Marsh Run built?

It was built in 1990, making it 35 years old in 2025.

What condition is Walther Boulevard over White Marsh 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 December 2023.

How much traffic does Walther Boulevard over White Marsh Run carry?

About 11,638 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is Walther Boulevard over White Marsh Run?

The structure is 44 ft (13.5 m) long with a longest span of 11 ft (3.4 m).

Who owns Walther Boulevard over White Marsh Run?

It is owned by the County Highway Agency.