US Bridges

Marshalee DR over Trib to Deep Run

Fair

Howard County, Maryland · Timbers of Troy Golf · Structure no. 200000HO0214030

Built
1996
29 years old
Condition
Fair
inspected November 2024
Type
Culvert
Aluminum, Wrought Iron, or Cast Iron
Length
32 ft
Daily traffic
2,582
2024 count
Owner
County
County Highway Agency

About this bridge

Marshalee DR over Trib to Deep Run is a aluminum, wrought iron, or cast iron culvert carrying Marshalee DR over Trib to Deep Run in Howard County, Maryland. It was built in 1996, so it is 29 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 2,582 vehicles a day, roughly 1% of them trucks, projected to reach 3,160 by 2044. The structure is 32 ft (9.8 m) long. If it were closed, the detour would be 3.7 mi (6 km).

CarriesMarshalee DR
CrossesTrib to Deep Run
LocationTimbers of Troy Golf
RouteCounty Highway 0
Coordinates39.20357, -76.76726
Functional classRural Minor 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 protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating110.1 US tons

Structure

Structure typeCulvert
MaterialAluminum, Wrought Iron, or Cast Iron
DeckNot applicable
Main spans0
Design loadUnknown
Structure length32 ft (9.8 m)
Longest span8 ft (2.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,582 (2024)
Projected traffic3,160 by 2044
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed3.7 mi (6 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 Marshalee DR over Trib to Deep Run built?

It was built in 1996, making it 29 years old in 2025.

What condition is Marshalee DR over Trib to Deep 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 November 2024.

How much traffic does Marshalee DR over Trib to Deep Run carry?

About 2,582 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is Marshalee DR over Trib to Deep Run?

The structure is 32 ft (9.8 m) long with a longest span of 8 ft (2.4 m).

Who owns Marshalee DR over Trib to Deep Run?

It is owned by the County Highway Agency.