US Bridges

Md 97 over Piney Run

Fair

Carroll County, Maryland · 1.0 Mile South of Md 850H · Structure no. 100000060045020

Built
1979
46 years old
Condition
Fair
inspected February 2023
Type
Culvert
Concrete
Length
51 ft
Daily traffic
10,080
2009 count
Owner
State
State Highway Agency

About this bridge

Md 97 over Piney Run is a concrete culvert carrying Md 97 over Piney Run in Carroll County, Maryland. It was built in 1979, so it is 46 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 10,080 vehicles a day, roughly 8% of them trucks, projected to reach 12,360 by 2026. The structure is 51 ft (15.5 m) long and 46 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

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CarriesMd 97
CrossesPiney Run
Location1.0 Mile South of Md 850H
RouteState Highway 97
CountyCarroll County
StateMaryland
Coordinates39.41489, -77.01194
Functional classRural Major Collector

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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans0
Design loadHS 20
Structure length51 ft (15.5 m)
Longest span16 ft (4.9 m)
Deck width46 ft (14 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,080 (2009)
Projected traffic12,360 by 2026
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

OwnerState Highway Agency
Maintained byState 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 Md 97 over Piney Run built?

It was built in 1979, making it 46 years old in 2025.

What condition is Md 97 over 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 February 2023.

How much traffic does Md 97 over Piney Run carry?

About 10,080 vehicles per day (2009 count), of which roughly 8% are trucks.

How long is Md 97 over Piney Run?

The structure is 51 ft (15.5 m) long with a longest span of 16 ft (4.9 m) and a deck 46 ft wide.

Who owns Md 97 over Piney Run?

It is owned by the State Highway Agency.