US Bridges

N. Laurel Road over Trib. to Patuxent River

Fair

Howard County, Maryland · 1/8 M West of US 1 · Structure no. 200000HO0280030

Built
1965
60 years old
Condition
Fair
inspected February 2024
Type
Culvert
Steel
Length
22 ft
Daily traffic
440
2024 count
Owner
County
County Highway Agency

About this bridge

N. Laurel Road over Trib. to Patuxent River is a steel culvert carrying N. Laurel Road over Trib. to Patuxent River in Howard County, Maryland. It was built in 1965, so it is 60 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 440 vehicles a day, roughly 2% of them trucks, projected to reach 550 by 2046. The structure is 22 ft (6.7 m) long. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesN. Laurel Road
CrossesTrib. to Patuxent River
Location1/8 M West of US 1
RouteCounty Highway 0
CountyHoward County
StateMaryland
Coordinates39.10881, -76.84086
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
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating110.1 US tons
Inventory rating110.1 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans0
Design loadUnknown
Structure length22 ft (6.7 m)
Longest span5 ft (1.5 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic440 (2024)
Projected traffic550 by 2046
Trucks2%
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 N. Laurel Road over Trib. to Patuxent River built?

It was built in 1965, making it 60 years old in 2025.

What condition is N. Laurel Road over Trib. to 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 February 2024.

How much traffic does N. Laurel Road over Trib. to Patuxent River carry?

About 440 vehicles per day (2024 count), of which roughly 2% are trucks.

How long is N. Laurel Road over Trib. to Patuxent River?

The structure is 22 ft (6.7 m) long with a longest span of 5 ft (1.5 m).

Who owns N. Laurel Road over Trib. to Patuxent River?

It is owned by the County Highway Agency.