US Bridges

Stone Road over Big Pipe Creek

Fair

Carroll County, Maryland · 0.37 MI SE of Mayberry RD · Structure no. 200000CL0218010

Built
1984
41 years old
Condition
Fair
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
96 ft
1 main span
Daily traffic
448
2021 count
Owner
County
County Highway Agency

About this bridge

Stone Road over Big Pipe Creek is a steel stringer/multi-beam or girder carrying Stone Road over Big Pipe Creek in Carroll County, Maryland. It was built in 1984, so it is 41 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.

It carries about 448 vehicles a day, roughly 8% of them trucks, projected to reach 740 by 2041. The structure is 96 ft (29.3 m) long and 39 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesStone Road
CrossesBig Pipe Creek
Location0.37 MI SE of Mayberry RD
RouteCounty Highway 55
CountyCarroll County
StateMaryland
Coordinates39.6655, -77.09792
Functional classRural 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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating37.5 US tons
Inventory rating22.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length96 ft (29.3 m)
Longest span92 ft (28 m)
Deck width39 ft (12 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic448 (2021)
Projected traffic740 by 2041
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 Stone Road over Big Pipe Creek built?

It was built in 1984, making it 41 years old in 2025.

What condition is Stone Road over Big Pipe Creek 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 August 2023.

How much traffic does Stone Road over Big Pipe Creek carry?

About 448 vehicles per day (2021 count), of which roughly 8% are trucks.

How long is Stone Road over Big Pipe Creek?

The structure is 96 ft (29.3 m) long with a longest span of 92 ft (28 m) and a deck 39 ft wide.

Who owns Stone Road over Big Pipe Creek?

It is owned by the County Highway Agency.