US Bridges

Mount Zion Road over Tributary to Piney Run

Good

Baltimore County, Maryland · 0.3 MI N of Dover Road · Structure no. 200000B-0391020

Built
2007
18 years old
Condition
Good
inspected December 2023
Type
Culvert
Concrete
Length
30 ft
Daily traffic
200
2021 count
Owner
County
County Highway Agency

About this bridge

Mount Zion Road over Tributary to Piney Run is a concrete culvert carrying Mount Zion Road over Tributary to Piney Run in Baltimore County, Maryland. It was built in 2007, so it is 18 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 200 vehicles a day, roughly 5% of them trucks, projected to reach 636 by 2041. The structure is 30 ft (9 m) long and 30 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Location

Open in Google Maps
CarriesMount Zion Road
CrossesTributary to Piney Run
Location0.3 MI N of Dover Road
RouteCounty Highway 158
CountyBaltimore County
StateMaryland
Coordinates39.55106, -76.80432
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
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating96.5 US tons
Inventory rating57.5 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans0
Design loadUnknown
Structure length30 ft (9 m)
Longest span13 ft (4 m)
Deck width30 ft (9 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic200 (2021)
Projected traffic636 by 2041
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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 Mount Zion Road over Tributary to Piney Run built?

It was built in 2007, making it 18 years old in 2025.

What condition is Mount Zion Road over Tributary to Piney Run 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 December 2023.

How much traffic does Mount Zion Road over Tributary to Piney Run carry?

About 200 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is Mount Zion Road over Tributary to Piney Run?

The structure is 30 ft (9 m) long with a longest span of 13 ft (4 m) and a deck 30 ft wide.

Who owns Mount Zion Road over Tributary to Piney Run?

It is owned by the County Highway Agency.