US Bridges

River Road over Tributary to Patapsco Ri

Good

Baltimore County, Maryland · 1.24 Miles S of Md 144 · Structure no. 200000B-0184010

Built
2020
5 years old
Condition
Good
inspected October 2024
Type
Arch - Deck
Concrete
Length
38 ft
1 main span
Daily traffic
970
2024 count
Owner
County
County Highway Agency

About this bridge

River Road over Tributary to Patapsco Ri is a concrete arch - deck carrying River Road over Tributary to Patapsco Ri in Baltimore County, Maryland. It was built in 2020, so it is 5 years old, younger than the Maryland average of 52.6 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 970 vehicles a day, roughly 5% of them trucks, projected to reach 1,096 by 2044. The structure is 38 ft (11.7 m) long and 26 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesRiver Road
CrossesTributary to Patapsco Ri
Location1.24 Miles S of Md 144
RouteCounty Highway 2934
Coordinates39.25329, -76.76889
Functional classUrban Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating60.7 US tons
Inventory rating42.9 US tons

Structure

Structure typeArch - Deck
MaterialConcrete
DeckNot applicable
Main spans1
Design loadUnknown
Structure length38 ft (11.7 m)
Longest span37 ft (11.3 m)
Deck width26 ft (7.9 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic970 (2024)
Projected traffic1,096 by 2044
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 River Road over Tributary to Patapsco Ri built?

It was built in 2020, making it 5 years old in 2025.

What condition is River Road over Tributary to Patapsco Ri in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in October 2024.

How much traffic does River Road over Tributary to Patapsco Ri carry?

About 970 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is River Road over Tributary to Patapsco Ri?

The structure is 38 ft (11.7 m) long with a longest span of 37 ft (11.3 m) and a deck 26 ft wide.

Who owns River Road over Tributary to Patapsco Ri?

It is owned by the County Highway Agency.