US Bridges

Masemore Road over Bush Cabin Run

Fair

Baltimore County, Maryland · 1.4 MI N of Mt Carmel RD · Structure no. 200000B-0049010

Built
1910
115 years old, rebuilt 1987
Condition
Fair
inspected December 2023
Type
Slab
Concrete
Length
22 ft
1 main span
Daily traffic
275
2023 count
Owner
County
County Highway Agency

About this bridge

Masemore Road over Bush Cabin Run is a concrete slab carrying Masemore Road over Bush Cabin Run in Baltimore County, Maryland. It was built in 1910 and reconstructed in 1987, so it is 115 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 5 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 275 vehicles a day, roughly 5% of them trucks, projected to reach 330 by 2043. The structure is 22 ft (6.8 m) long and 22 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

Location

Open in Google Maps
CarriesMasemore Road
CrossesBush Cabin Run
Location1.4 MI N of Mt Carmel RD
RouteCounty Highway 129
CountyBaltimore County
StateMaryland
Coordinates39.61012, -76.68447
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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating84.4 US tons
Inventory rating50.5 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length22 ft (6.8 m)
Longest span21 ft (6.4 m)
Deck width22 ft (6.8 m)
Roadway width20 ft (6.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic275 (2023)
Projected traffic330 by 2043
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$774,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Masemore Road over Bush Cabin Run built?

It was built in 1910, making it 115 years old in 2025. It was reconstructed in 1987.

What condition is Masemore Road over Bush Cabin 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 December 2023.

How much traffic does Masemore Road over Bush Cabin Run carry?

About 275 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is Masemore Road over Bush Cabin Run?

The structure is 22 ft (6.8 m) long with a longest span of 21 ft (6.4 m) and a deck 22 ft wide.

Who owns Masemore Road over Bush Cabin Run?

It is owned by the County Highway Agency.