US Bridges

Corbett Road over Tributary to Gunpowder F

Good

Baltimore County, Maryland · 1.3 Miles East of Md 45 · Structure no. 200000B-0192010

Built
1920
105 years old, rebuilt 1989
Condition
Good
inspected July 2023
Type
Slab
Concrete Continuous
Length
55 ft
2 main spans
Daily traffic
714
2023 count
Owner
County
County Highway Agency

About this bridge

Corbett Road over Tributary to Gunpowder F is a concrete continuous slab carrying Corbett Road over Tributary to Gunpowder F in Baltimore County, Maryland. It was built in 1920 and reconstructed in 1989, so it is 105 years old, older 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 714 vehicles a day, roughly 5% of them trucks, projected to reach 1,783 by 2040. The structure is 55 ft (16.8 m) long and 22 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesCorbett Road
CrossesTributary to Gunpowder F
Location1.3 Miles East of Md 45
RouteCounty Highway 216
Coordinates39.571, -76.63716
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating94 US tons
Inventory rating56 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length55 ft (16.8 m)
Longest span20 ft (6.1 m)
Deck width22 ft (6.7 m)
Roadway width20 ft (6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic714 (2023)
Projected traffic1,783 by 2040
Trucks5%
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$1.9 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Corbett Road over Tributary to Gunpowder F built?

It was built in 1920, making it 105 years old in 2025. It was reconstructed in 1989.

What condition is Corbett Road over Tributary to Gunpowder F 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 July 2023.

How much traffic does Corbett Road over Tributary to Gunpowder F carry?

About 714 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is Corbett Road over Tributary to Gunpowder F?

The structure is 55 ft (16.8 m) long with a longest span of 20 ft (6.1 m) and a deck 22 ft wide.

Who owns Corbett Road over Tributary to Gunpowder F?

It is owned by the County Highway Agency.