US Bridges

Frederick Road over Little Patuxent River

Fair

Howard County, Maryland · 0.5 MI E Centennial Lane · Structure no. 200000HO0049010

Built
1930
95 years old
Condition
Fair
inspected April 2023
Type
Arch - Deck
Concrete
Length
26 ft
1 main span
Daily traffic
10,927
1998 count
Owner
County
County Highway Agency

About this bridge

Frederick Road over Little Patuxent River is a concrete arch - deck carrying Frederick Road over Little Patuxent River in Howard County, Maryland. It was built in 1930, so it is 95 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 10,927 vehicles a day, roughly 4% of them trucks, projected to reach 15,170 by 2015. The structure is 26 ft (8 m) long and 30 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesFrederick Road
CrossesLittle Patuxent River
Location0.5 MI E Centennial Lane
RouteCounty Highway 278
Coordinates39.27576, -76.85258
Functional classUrban 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
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating36 US tons

Structure

Structure typeArch - Deck
MaterialConcrete
DeckNot applicable
Main spans1
Design loadUnknown
Structure length26 ft (8 m)
Longest span26 ft (7.9 m)
Deck width30 ft (9.1 m)
Roadway width27 ft (8.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,927 (1998)
Projected traffic15,170 by 2015
Trucks4%
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 statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Frederick Road over Little Patuxent River built?

It was built in 1930, making it 95 years old in 2025.

What condition is Frederick Road over Little Patuxent River 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 April 2023.

How much traffic does Frederick Road over Little Patuxent River carry?

About 10,927 vehicles per day (1998 count), of which roughly 4% are trucks.

How long is Frederick Road over Little Patuxent River?

The structure is 26 ft (8 m) long with a longest span of 26 ft (7.9 m) and a deck 30 ft wide.

Who owns Frederick Road over Little Patuxent River?

It is owned by the County Highway Agency.