US Bridges

Coon Club Road over East Branch Patapsco Riv

Fair

Carroll County, Maryland · 0.15 MI E of Houck RD · Structure no. 200000CL0373010

Built
1964
61 years old
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
80 ft
1 main span
Daily traffic
2,650
2023 count
Owner
County
County Highway Agency

About this bridge

Coon Club Road over East Branch Patapsco Riv is a steel stringer/multi-beam or girder carrying Coon Club Road over East Branch Patapsco Riv in Carroll County, Maryland. It was built in 1964, so it is 61 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 2,650 vehicles a day, roughly 8% of them trucks, projected to reach 3,240 by 2043. The structure is 80 ft (24.4 m) long and 29 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

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CarriesCoon Club Road
CrossesEast Branch Patapsco Riv
Location0.15 MI E of Houck RD
RouteCounty Highway 448
CountyCarroll County
StateMaryland
Coordinates39.57514, -76.89448
Functional classRural Minor Collector

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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating85.4 US tons
Inventory rating51.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length80 ft (24.4 m)
Longest span76 ft (23.2 m)
Deck width29 ft (8.9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,650 (2023)
Projected traffic3,240 by 2043
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 Coon Club Road over East Branch Patapsco Riv built?

It was built in 1964, making it 61 years old in 2025.

What condition is Coon Club 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 May 2023.

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

About 2,650 vehicles per day (2023 count), of which roughly 8% are trucks.

How long is Coon Club Road over East Branch Patapsco Riv?

The structure is 80 ft (24.4 m) long with a longest span of 76 ft (23.2 m) and a deck 29 ft wide.

Who owns Coon Club Road over East Branch Patapsco Riv?

It is owned by the County Highway Agency.