US Bridges

Gwynnbrook Avenue over Gwynns Falls

Good

Baltimore County, Maryland · 1.04 Miles E of Md 140 · Structure no. 200000B-0172010

Built
1992
33 years old
Condition
Good
inspected April 2023
Type
Culvert
Concrete
Length
41 ft
Daily traffic
9,800
2019 count
Owner
County
County Highway Agency

About this bridge

Gwynnbrook Avenue over Gwynns Falls is a concrete culvert carrying Gwynnbrook Avenue over Gwynns Falls in Baltimore County, Maryland. It was built in 1992, so it is 33 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 9,800 vehicles a day, roughly 5% of them trucks, projected to reach 14,700 by 2039. The structure is 41 ft (12.5 m) long and 32 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesGwynnbrook Avenue
CrossesGwynns Falls
Location1.04 Miles E of Md 140
RouteCounty Highway 587
CountyBaltimore County
StateMaryland
Coordinates39.4431, -76.7835
Functional classUrban Collector

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating110.1 US tons
Inventory rating67.5 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans0
Design loadUnknown
Structure length41 ft (12.5 m)
Longest span11 ft (3.4 m)
Deck width32 ft (9.8 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,800 (2019)
Projected traffic14,700 by 2039
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 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 Gwynnbrook Avenue over Gwynns Falls built?

It was built in 1992, making it 33 years old in 2025.

What condition is Gwynnbrook Avenue over Gwynns Falls 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 April 2023.

How much traffic does Gwynnbrook Avenue over Gwynns Falls carry?

About 9,800 vehicles per day (2019 count), of which roughly 5% are trucks.

How long is Gwynnbrook Avenue over Gwynns Falls?

The structure is 41 ft (12.5 m) long with a longest span of 11 ft (3.4 m) and a deck 32 ft wide.

Who owns Gwynnbrook Avenue over Gwynns Falls?

It is owned by the County Highway Agency.