US Bridges

Carrollton Road over East Branch Patapsco Riv

FairPosted for load

Carroll County, Maryland · 0.59 MI E of Ridge Road · Structure no. 200000CL0359010

Built
1972
53 years old
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
33 ft
1 main span
Daily traffic
590
2021 count
Owner
County
County Highway Agency

About this bridge

Carrollton Road over East Branch Patapsco Riv is a steel stringer/multi-beam or girder carrying Carrollton Road over East Branch Patapsco Riv in Carroll County, Maryland. It was built in 1972, so it is 53 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. Its operating status is: posted for load restriction.

It carries about 590 vehicles a day, roughly 5% of them trucks, projected to reach 970 by 2041. The structure is 33 ft (10.1 m) long and 26 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesCarrollton Road
CrossesEast Branch Patapsco Riv
Location0.59 MI E of Ridge Road
RouteCounty Highway 459
Coordinates39.55803, -76.89286
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
Deck7 GoodSome minor problems.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 inspectionAugust 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourCountermeasures installed to correct a previously existing problem
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 alignment6: Equal to present minimum criteria
Operating rating41.4 US tons
Inventory rating25 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length33 ft (10.1 m)
Longest span32 ft (9.8 m)
Deck width26 ft (7.8 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic590 (2021)
Projected traffic970 by 2041
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 Carrollton Road over East Branch Patapsco Riv built?

It was built in 1972, making it 53 years old in 2025.

What condition is Carrollton Road over East Branch Patapsco Riv 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 August 2024.

How much traffic does Carrollton Road over East Branch Patapsco Riv carry?

About 590 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is Carrollton Road over East Branch Patapsco Riv?

The structure is 33 ft (10.1 m) long with a longest span of 32 ft (9.8 m) and a deck 26 ft wide.

Who owns Carrollton Road over East Branch Patapsco Riv?

It is owned by the County Highway Agency.