Quarter Staff Road over Trib to Little Patuxent

Poor

Howard County, Maryland · 1000 NW of Martin LN · Structure no. 200000HO0269030

Built: 1972; 53 years old
Condition: Poor; inspected February 2024
Type: Culvert; Steel
Length: 35 ft
Daily traffic: 325; 2024 count
Owner: County; County Highway Agency

About this bridge

Quarter Staff Road over Trib to Little Patuxent is a steel culvert carrying Quarter Staff 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 poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 325 vehicles a day, roughly 2% of them trucks, projected to reach 400 by 2044. The structure is 35 ft (10.7 m) long. If it were closed, the detour would be 1.2 mi (2 km).

Location

No coordinates are recorded for this structure.

CarriesQuarter Staff Road

CrossesTrib to Little Patuxent

Location1000 NW of Martin LN

RouteCounty Highway 0

CountyHoward County

StateMaryland

Functional classUrban Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

Component	Rating	Meaning
Channel and channel protection	6 Satisfactory	Structural elements show some minor deterioration.
Culvert	4 Poor	Advanced section loss, deterioration, spalling or scour.

Last inspectionFebruary 2024

Inspection intervalevery 24 months

Operating statusOpen, no restriction

ScourFoundations stable; scour above top of footing

Structural evaluation4: Meets minimum tolerable limits to be 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 length35 ft (10.7 m)

Longest span8 ft (2.4 m)

Deck width0 ft (0 m)

Roadway width0 ft (0 m)

Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic325 (2024)

Projected traffic400 by 2044

Trucks2%

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 Quarter Staff Road over Trib to Little Patuxent built?

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

What condition is Quarter Staff Road over Trib to Little Patuxent in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in February 2024.

How much traffic does Quarter Staff Road over Trib to Little Patuxent carry?

About 325 vehicles per day (2024 count), of which roughly 2% are trucks.

How long is Quarter Staff Road over Trib to Little Patuxent?

The structure is 35 ft (10.7 m) long with a longest span of 8 ft (2.4 m).

Who owns Quarter Staff Road over Trib to Little Patuxent?

It is owned by the County Highway Agency.