US Bridges

Kump Station Road over Silver Run

Good

Carroll County, Maryland · 0.14 MI W of Babylon RD · Structure no. 200000CL0268020

Built
1982
43 years old
Condition
Good
inspected May 2023
Type
Culvert
Concrete
Length
21 ft
Daily traffic
179
2021 count
Owner
County
County Highway Agency

About this bridge

Kump Station Road over Silver Run is a concrete culvert carrying Kump Station Road over Silver Run in Carroll County, Maryland. It was built in 1982, so it is 43 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 179 vehicles a day, roughly 8% of them trucks, projected to reach 300 by 2041. The structure is 21 ft (6.4 m) long and 28 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesKump Station Road
CrossesSilver Run
Location0.14 MI W of Babylon RD
RouteCounty Highway 50
Coordinates39.67805, -77.09287
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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert7 GoodSome minor problems.
Last inspectionMay 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 rating61.5 US tons
Inventory rating37 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans0
Design loadH 20
Structure length21 ft (6.4 m)
Longest span10 ft (3 m)
Deck width28 ft (8.6 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic179 (2021)
Projected traffic300 by 2041
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
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 Kump Station Road over Silver Run built?

It was built in 1982, making it 43 years old in 2025.

What condition is Kump Station Road over Silver 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 May 2023.

How much traffic does Kump Station Road over Silver Run carry?

About 179 vehicles per day (2021 count), of which roughly 8% are trucks.

How long is Kump Station Road over Silver Run?

The structure is 21 ft (6.4 m) long with a longest span of 10 ft (3 m) and a deck 28 ft wide.

Who owns Kump Station Road over Silver Run?

It is owned by the County Highway Agency.