US Bridges

Race Road over Stemmers Run

FairPosted for load

Baltimore County, Maryland · 0.14 MI S of Rossvil Blvd · Structure no. 200000B-0058010

Built
1929
96 years old
Condition
Fair
inspected November 2023
Type
Arch - Deck
Concrete
Length
47 ft
1 main span
Daily traffic
1,700
2024 count
Owner
County
County Highway Agency

About this bridge

Race Road over Stemmers Run is a concrete arch - deck carrying Race Road over Stemmers Run in Baltimore County, Maryland. It was built in 1929, so it is 96 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. Its operating status is: posted for load restriction.

It carries about 1,700 vehicles a day, roughly 5% of them trucks, projected to reach 3,300 by 2044. The structure is 47 ft (14.3 m) long and 23 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesRace Road
CrossesStemmers Run
Location0.14 MI S of Rossvil Blvd
RouteCounty Highway 4547
CountyBaltimore County
StateMaryland
Coordinates39.33109, -76.47644
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
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating31.5 US tons
Inventory rating18.5 US tons

Structure

Structure typeArch - Deck
MaterialConcrete
DeckNot applicable
Main spans1
Design loadUnknown
Structure length47 ft (14.3 m)
Longest span45 ft (13.7 m)
Deck width23 ft (7 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,700 (2024)
Projected traffic3,300 by 2044
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
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 Race Road over Stemmers Run built?

It was built in 1929, making it 96 years old in 2025.

What condition is Race Road over Stemmers 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 November 2023.

How much traffic does Race Road over Stemmers Run carry?

About 1,700 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is Race Road over Stemmers Run?

The structure is 47 ft (14.3 m) long with a longest span of 45 ft (13.7 m) and a deck 23 ft wide.

Who owns Race Road over Stemmers Run?

It is owned by the County Highway Agency.