US Bridges

Arters Mill Road over Silver Run

Good

Carroll County, Maryland · 0.47 MI N of Mayberry RD · Structure no. 200000CL0270020

Built
1986
39 years old
Condition
Good
inspected May 2023
Type
Culvert
Concrete
Length
34 ft
Daily traffic
245
2021 count
Owner
County
County Highway Agency

About this bridge

Arters Mill Road over Silver Run is a concrete culvert carrying Arters Mill Road over Silver Run in Carroll County, Maryland. It was built in 1986, so it is 39 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 245 vehicles a day, roughly 8% of them trucks, projected to reach 410 by 2041. The structure is 34 ft (10.4 m) long and 34 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesArters Mill Road
CrossesSilver Run
Location0.47 MI N of Mayberry RD
RouteCounty Highway 67
Coordinates39.68414, -77.07238
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 protection6 SatisfactoryStructural elements show some minor deterioration.
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 geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating70 US tons
Inventory rating41.4 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans0
Design loadHS 20
Structure length34 ft (10.4 m)
Longest span16 ft (4.9 m)
Deck width34 ft (10.4 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic245 (2021)
Projected traffic410 by 2041
Trucks8%
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 Arters Mill Road over Silver Run built?

It was built in 1986, making it 39 years old in 2025.

What condition is Arters Mill 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 Arters Mill Road over Silver Run carry?

About 245 vehicles per day (2021 count), of which roughly 8% are trucks.

How long is Arters Mill Road over Silver Run?

The structure is 34 ft (10.4 m) long with a longest span of 16 ft (4.9 m) and a deck 34 ft wide.

Who owns Arters Mill Road over Silver Run?

It is owned by the County Highway Agency.