US Bridges

Martin Road over Trib to Little Patuxent

Fair

Howard County, Maryland · At Quarterstaff RD · Structure no. 200000HO0268030

Built
1972
53 years old
Condition
Fair
inspected February 2024
Type
Culvert
Steel
Length
26 ft
Daily traffic
542
2024 count
Owner
County
County Highway Agency

About this bridge

Martin Road over Trib to Little Patuxent is a steel culvert carrying Martin Road over Trib to Little Patuxent in Howard 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.

It carries about 542 vehicles a day, roughly 5% of them trucks, projected to reach 670 by 2044. The structure is 26 ft (7.9 m) long. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesMartin Road
CrossesTrib to Little Patuxent
LocationAt Quarterstaff RD
RouteCounty Highway 0
CountyHoward County
StateMaryland
Coordinates39.19229, -76.87086
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating110.1 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans0
Design loadUnknown
Structure length26 ft (7.9 m)
Longest span8 ft (2.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deck10 ft (3 m)

Traffic and service

Average daily traffic542 (2024)
Projected traffic670 by 2044
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 Martin Road over Trib to Little Patuxent built?

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

What condition is Martin Road over Trib to Little Patuxent 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 Martin Road over Trib to Little Patuxent carry?

About 542 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is Martin Road over Trib to Little Patuxent?

The structure is 26 ft (7.9 m) long with a longest span of 8 ft (2.4 m).

Who owns Martin Road over Trib to Little Patuxent?

It is owned by the County Highway Agency.