US Bridges

Pot Spring Road over Spring Branch

Fair

Baltimore County, Maryland · 0.5 MI S of Timonium RD · Structure no. 200000B-0345020

Built
1973
52 years old
Condition
Fair
inspected August 2023
Type
Culvert
Concrete
Length
27 ft
2 main spans
Daily traffic
13,676
2023 count
Owner
County
County Highway Agency

About this bridge

Pot Spring Road over Spring Branch is a concrete culvert carrying Pot Spring Road over Spring Branch in Baltimore County, Maryland. It was built in 1973, so it is 52 years old, younger 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 6 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 13,676 vehicles a day, roughly 5% of them trucks, projected to reach 21,143 by 2045. The structure is 27 ft (8.2 m) long. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesPot Spring Road
CrossesSpring Branch
Location0.5 MI S of Timonium RD
RouteCounty Highway 811
CountyBaltimore County
StateMaryland
Coordinates39.43944, -76.60567
Functional classUrban Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating51 US tons
Inventory rating30.5 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length27 ft (8.2 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 traffic13,676 (2023)
Projected traffic21,143 by 2045
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 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 Spring Branch built?

It was built in 1973, making it 52 years old in 2025.

What condition is Pot Spring Road over Spring Branch 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 August 2023.

How much traffic does Pot Spring Road over Spring Branch carry?

About 13,676 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is Pot Spring Road over Spring Branch?

The structure is 27 ft (8.2 m) long with a longest span of 13 ft (4 m).

Who owns Pot Spring Road over Spring Branch?

It is owned by the County Highway Agency.