US Bridges

Piney Hill Road over Tributary to Gunpowder F

Good

Baltimore County, Maryland · 0.4 MI S of Monkton Road · Structure no. 200000B-0240010

Built
2003
22 years old
Condition
Good
inspected April 2023
Type
Truss - Thru
Steel
Length
56 ft
1 main span
Daily traffic
244
2023 count
Owner
County
County Highway Agency

About this bridge

Piney Hill Road over Tributary to Gunpowder F is a steel truss - thru carrying Piney Hill Road over Tributary to Gunpowder F in Baltimore County, Maryland. It was built in 2003, so it is 22 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 244 vehicles a day, roughly 5% of them trucks, projected to reach 586 by 2043. The structure is 56 ft (17.1 m) long and 16 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesPiney Hill Road
CrossesTributary to Gunpowder F
Location0.4 MI S of Monkton Road
RouteCounty Highway 138
Coordinates39.57984, -76.63515
Functional classRural Local

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating75 US tons
Inventory rating45 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckCorrugated steel
Main spans1
Design loadHS 25 or greater
Structure length56 ft (17.1 m)
Longest span50 ft (15.2 m)
Deck width16 ft (5 m)
Roadway width14 ft (4.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic244 (2023)
Projected traffic586 by 2043
Trucks5%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 Piney Hill Road over Tributary to Gunpowder F built?

It was built in 2003, making it 22 years old in 2025.

What condition is Piney Hill Road over Tributary to Gunpowder F 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 April 2023.

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

About 244 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is Piney Hill Road over Tributary to Gunpowder F?

The structure is 56 ft (17.1 m) long with a longest span of 50 ft (15.2 m) and a deck 16 ft wide.

Who owns Piney Hill Road over Tributary to Gunpowder F?

It is owned by the County Highway Agency.