US Bridges

Sulphur Spring Roa over West Branch Herbert Run

Fair

Baltimore County, Maryland · 0.40 MI W of US 1 · Structure no. 200000B-0330020

Built
1959
66 years old
Condition
Fair
inspected August 2023
Type
Culvert
Concrete
Length
44 ft
Daily traffic
4,355
2023 count
Owner
County
County Highway Agency

About this bridge

Sulphur Spring Roa over West Branch Herbert Run is a concrete culvert carrying Sulphur Spring Roa over West Branch Herbert Run in Baltimore County, Maryland. It was built in 1959, so it is 66 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 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 4,355 vehicles a day, roughly 5% of them trucks, projected to reach 5,409 by 2045. The structure is 44 ft (13.3 m) long. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesSulphur Spring Roa
CrossesWest Branch Herbert Run
Location0.40 MI W of US 1
RouteCounty Highway 3071
CountyBaltimore County
StateMaryland
Coordinates39.24734, -76.69907
Functional classUrban 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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
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 adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans0
Design loadHS 20
Structure length44 ft (13.3 m)
Longest span15 ft (4.6 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,355 (2023)
Projected traffic5,409 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 Sulphur Spring Roa over West Branch Herbert Run built?

It was built in 1959, making it 66 years old in 2025.

What condition is Sulphur Spring Roa over West Branch Herbert Run 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 Sulphur Spring Roa over West Branch Herbert Run carry?

About 4,355 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is Sulphur Spring Roa over West Branch Herbert Run?

The structure is 44 ft (13.3 m) long with a longest span of 15 ft (4.6 m).

Who owns Sulphur Spring Roa over West Branch Herbert Run?

It is owned by the County Highway Agency.