US Bridges

Corbett Road over Gunpowder Falls

Fair

Baltimore County, Maryland · 1.0 MI NW of Carroll Road · Structure no. 200000B-0115010

Built
1945
80 years old, rebuilt 1996
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
123 ft
2 main spans
Daily traffic
1,149
2023 count
Owner
County
County Highway Agency

About this bridge

Corbett Road over Gunpowder Falls is a steel stringer/multi-beam or girder carrying Corbett Road over Gunpowder Falls in Baltimore County, Maryland. It was built in 1945 and reconstructed in 1996, so it is 80 years old, older 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 5 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 1,149 vehicles a day, roughly 5% of them trucks, projected to reach 1,593 by 2045. The structure is 123 ft (37.6 m) long and 26 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

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CarriesCorbett Road
CrossesGunpowder Falls
Location1.0 MI NW of Carroll Road
RouteCounty Highway 216
CountyBaltimore County
StateMaryland
Coordinates39.56781, -76.61126
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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating110.1 US tons
Inventory rating75.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans2
Design loadHS 25 or greater
Structure length123 ft (37.6 m)
Longest span59 ft (18 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,149 (2023)
Projected traffic1,593 by 2045
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusEligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Corbett Road over Gunpowder Falls built?

It was built in 1945, making it 80 years old in 2025. It was reconstructed in 1996.

What condition is Corbett Road over Gunpowder Falls 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 October 2023.

How much traffic does Corbett Road over Gunpowder Falls carry?

About 1,149 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is Corbett Road over Gunpowder Falls?

The structure is 123 ft (37.6 m) long with a longest span of 59 ft (18 m) and a deck 26 ft wide.

Who owns Corbett Road over Gunpowder Falls?

It is owned by the County Highway Agency.