US Bridges

Pot Spring Road over Kelly Branch

Good

Baltimore County, Maryland · 0.2 MI N. of Girdwood RD · Structure no. 200000B-0407020

Built
1980
45 years old
Condition
Good
inspected July 2023
Type
Culvert
Concrete
Length
25 ft
2 main spans
Daily traffic
11,227
2023 count
Owner
County
County Highway Agency

About this bridge

Pot Spring Road over Kelly Branch is a concrete culvert carrying Pot Spring Road over Kelly Branch in Baltimore County, Maryland. It was built in 1980, so it is 45 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 11,227 vehicles a day, roughly 5% of them trucks, projected to reach 14,036 by 2045. The structure is 25 ft (7.6 m) long. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesPot Spring Road
CrossesKelly Branch
Location0.2 MI N. of Girdwood RD
RouteCounty Highway 811
CountyBaltimore County
StateMaryland
Coordinates39.45519, -76.60407
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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert7 GoodSome minor problems.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating83.4 US tons
Inventory rating50 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length25 ft (7.6 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,227 (2023)
Projected traffic14,036 by 2045
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Pot Spring Road over Kelly Branch built?

It was built in 1980, making it 45 years old in 2025.

What condition is Pot Spring Road over Kelly Branch 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 Pot Spring Road over Kelly Branch carry?

About 11,227 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is Pot Spring Road over Kelly Branch?

The structure is 25 ft (7.6 m) long with a longest span of 10 ft (3 m).

Who owns Pot Spring Road over Kelly Branch?

It is owned by the County Highway Agency.