US Bridges

Morgan Road over South Branch Patapsco Ri

Fair

Carroll County, Maryland · On Howard County Line · Structure no. 200000CL0311010

Built
1976
49 years old
Condition
Fair
inspected July 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
101 ft
1 main span
Daily traffic
470
2021 count
Owner
County
County Highway Agency

About this bridge

Morgan Road over South Branch Patapsco Ri is a steel stringer/multi-beam or girder carrying Morgan Road over South Branch Patapsco Ri in Carroll County, Maryland. It was built in 1976, so it is 49 years old, younger 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 470 vehicles a day, roughly 8% of them trucks, projected to reach 769 by 2041. The structure is 101 ft (30.9 m) long and 35 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesMorgan Road
CrossesSouth Branch Patapsco Ri
LocationOn Howard County Line
RouteCounty Highway 602
CountyCarroll County
StateMaryland
Coordinates39.35996, -77.04565
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 protection7 GoodSome minor problems.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating110.1 US tons
Inventory rating78.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length101 ft (30.9 m)
Longest span95 ft (29 m)
Deck width35 ft (10.7 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic470 (2021)
Projected traffic769 by 2041
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

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 Morgan Road over South Branch Patapsco Ri built?

It was built in 1976, making it 49 years old in 2025.

What condition is Morgan Road over South Branch Patapsco Ri 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 July 2023.

How much traffic does Morgan Road over South Branch Patapsco Ri carry?

About 470 vehicles per day (2021 count), of which roughly 8% are trucks.

How long is Morgan Road over South Branch Patapsco Ri?

The structure is 101 ft (30.9 m) long with a longest span of 95 ft (29 m) and a deck 35 ft wide.

Who owns Morgan Road over South Branch Patapsco Ri?

It is owned by the County Highway Agency.