US Bridges

Dance Mill Road over Dulaney Branch

FairPosted for load

Baltimore County, Maryland · 0.17 MI N of Dul Vall RD · Structure no. 200000B-0199010

Built
1920
105 years old
Condition
Fair
inspected May 2024
Type
Tee Beam
Concrete
Length
34 ft
1 main span
Daily traffic
1,195
2022 count
Owner
County
County Highway Agency

About this bridge

Dance Mill Road over Dulaney Branch is a concrete tee beam carrying Dance Mill Road over Dulaney Branch in Baltimore County, Maryland. It was built in 1920, so it is 105 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 1,195 vehicles a day, roughly 5% of them trucks, projected to reach 2,392 by 2042. The structure is 34 ft (10.4 m) long and 20 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesDance Mill Road
CrossesDulaney Branch
Location0.17 MI N of Dul Vall RD
RouteCounty Highway 327
Coordinates39.47799, -76.53931
Functional classRural 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMay 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being 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 rating41.4 US tons
Inventory rating24.5 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length34 ft (10.4 m)
Longest span32 ft (9.8 m)
Deck width20 ft (6.2 m)
Roadway width18 ft (5.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,195 (2022)
Projected traffic2,392 by 2042
Trucks5%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusEligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Dance Mill Road over Dulaney Branch built?

It was built in 1920, making it 105 years old in 2025.

What condition is Dance Mill Road over Dulaney 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 May 2024.

How much traffic does Dance Mill Road over Dulaney Branch carry?

About 1,195 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is Dance Mill Road over Dulaney Branch?

The structure is 34 ft (10.4 m) long with a longest span of 32 ft (9.8 m) and a deck 20 ft wide.

Who owns Dance Mill Road over Dulaney Branch?

It is owned by the County Highway Agency.