US Bridges

Md 100 over Piney Run

Good

Anne Arundel County, Maryland · 0.3 MI E of Md 295 · Structure no. 100000020182020

Built
1995
30 years old
Condition
Good
inspected December 2024
Type
Culvert
Concrete
Length
28 ft
Daily traffic
78,282
2009 count
Owner
State
State Highway Agency

About this bridge

Md 100 over Piney Run is a concrete culvert carrying Md 100 over Piney Run in Anne Arundel County, Maryland. It was built in 1995, so it is 30 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 78,282 vehicles a day, roughly 8% of them trucks, projected to reach 86,466 by 2026. The structure is 28 ft (8.5 m) long. If it were closed, the detour would be 1.9 mi (3 km).

Location

No coordinates are recorded for this structure.

CarriesMd 100
CrossesPiney Run
Location0.3 MI E of Md 295
RouteState Highway 100
Functional classUrban Principal Arterial - Other Freeway or Expressway

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 protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating45 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans0
Design loadHS 25 or greater
Structure length28 ft (8.5 m)
Longest span13 ft (4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic78,282 (2009)
Projected traffic86,466 by 2026
Trucks8%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemYes

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 100 over Piney Run built?

It was built in 1995, making it 30 years old in 2025.

What condition is Md 100 over Piney 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 December 2024.

How much traffic does Md 100 over Piney Run carry?

About 78,282 vehicles per day (2009 count), of which roughly 8% are trucks.

How long is Md 100 over Piney Run?

The structure is 28 ft (8.5 m) long with a longest span of 13 ft (4 m).

Who owns Md 100 over Piney Run?

It is owned by the State Highway Agency.