US Bridges

Slacks Road over Tributary of Piney Run

FairPosted for load

Carroll County, Maryland · 1.06 MI N Raincliffe Road · Structure no. 200000CL0327020

Built
1975
50 years old
Condition
Fair
inspected July 2023
Type
Culvert
Concrete
Length
36 ft
Daily traffic
905
2021 count
Owner
County
County Highway Agency

About this bridge

Slacks Road over Tributary of Piney Run is a concrete culvert carrying Slacks Road over Tributary of Piney Run in Carroll County, Maryland. It was built in 1975, so it is 50 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 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 905 vehicles a day, roughly 8% of them trucks, projected to reach 1,490 by 2041. The structure is 36 ft (11 m) long and 26 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

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CarriesSlacks Road
CrossesTributary of Piney Run
Location1.06 MI N Raincliffe Road
RouteCounty Highway 755
CountyCarroll County
StateMaryland
Coordinates39.38435, -76.94507
Functional classUrban 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.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating32.5 US tons
Inventory rating19.5 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans0
Design loadUnknown
Structure length36 ft (11 m)
Longest span11 ft (3.4 m)
Deck width26 ft (8 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic905 (2021)
Projected traffic1,490 by 2041
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$170,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Slacks Road over Tributary of Piney Run built?

It was built in 1975, making it 50 years old in 2025.

What condition is Slacks Road over Tributary of Piney Run 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 July 2023.

How much traffic does Slacks Road over Tributary of Piney Run carry?

About 905 vehicles per day (2021 count), of which roughly 8% are trucks.

How long is Slacks Road over Tributary of Piney Run?

The structure is 36 ft (11 m) long with a longest span of 11 ft (3.4 m) and a deck 26 ft wide.

Who owns Slacks Road over Tributary of Piney Run?

It is owned by the County Highway Agency.