US Bridges

Ebony Road over Tributary to Gunpowder F

Fair

Baltimore County, Maryland · 2 MI NE Exit 30 I-695 · Structure no. 200000B-0530030

Built
1980
45 years old
Condition
Fair
inspected March 2024
Type
Culvert
Steel
Length
25 ft
Daily traffic
266
2024 count
Owner
County
County Highway Agency

About this bridge

Ebony Road over Tributary to Gunpowder F is a steel culvert carrying Ebony Road over Tributary to Gunpowder F in Baltimore County, Maryland. It was built in 1980, so it is 45 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 5 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 266 vehicles a day, roughly 5% of them trucks, projected to reach 279 by 2044. The structure is 25 ft (7.7 m) long. If it were closed, the detour would be 98.8 mi (159 km).

Location

Open in Google Maps
CarriesEbony Road
CrossesTributary to Gunpowder F
Location2 MI NE Exit 30 I-695
CountyBaltimore County
StateMaryland
Coordinates39.40759, -76.53369
Functional classRural 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.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating110.1 US tons
Inventory rating110.1 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans0
Design loadUnknown
Structure length25 ft (7.7 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic266 (2024)
Projected traffic279 by 2044
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed98.8 mi (159 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 Ebony Road over Tributary to Gunpowder F built?

It was built in 1980, making it 45 years old in 2025.

What condition is Ebony Road over Tributary to Gunpowder F 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 March 2024.

How much traffic does Ebony Road over Tributary to Gunpowder F carry?

About 266 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is Ebony Road over Tributary to Gunpowder F?

The structure is 25 ft (7.7 m) long with a longest span of 12 ft (3.7 m).

Who owns Ebony Road over Tributary to Gunpowder F?

It is owned by the County Highway Agency.