US Bridges

Md 27 over Morgan Run

Fair

Carroll County, Maryland · 1.68 Mile North of Md 407 · Structure no. 100000060021010

Built
1922
103 years old, rebuilt 1955
Condition
Fair
inspected November 2024
Type
Slab
Concrete
Length
39 ft
Daily traffic
14,091
2009 count
Owner
State
State Highway Agency

About this bridge

Md 27 over Morgan Run is a concrete slab carrying Md 27 over Morgan Run in Carroll County, Maryland. It was built in 1922 and reconstructed in 1955, so it is 103 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 14,091 vehicles a day, roughly 8% of them trucks, projected to reach 15,497 by 2026. The structure is 39 ft (11.9 m) long and 41 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesMd 27
CrossesMorgan Run
Location1.68 Mile North of Md 407
RouteState Highway 27
CountyCarroll County
StateMaryland
Coordinates39.50405, -77.05076
Functional classRural Minor Arterial

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 protection7 GoodSome minor problems.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating77.5 US tons
Inventory rating46.5 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans0
Design loadH 20
Structure length39 ft (11.9 m)
Longest span12 ft (3.7 m)
Deck width41 ft (12.4 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic14,091 (2009)
Projected traffic15,497 by 2026
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 Md 27 over Morgan Run built?

It was built in 1922, making it 103 years old in 2025. It was reconstructed in 1955.

What condition is Md 27 over Morgan 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 2024.

How much traffic does Md 27 over Morgan Run carry?

About 14,091 vehicles per day (2009 count), of which roughly 8% are trucks.

How long is Md 27 over Morgan Run?

The structure is 39 ft (11.9 m) long with a longest span of 12 ft (3.7 m) and a deck 41 ft wide.

Who owns Md 27 over Morgan Run?

It is owned by the State Highway Agency.