US Bridges

Sheppard Lane over Middle Patuxent River

Fair

Howard County, Maryland · 1.3 MI N of Md RTE 108 · Structure no. 200000HO0016010

Built
1983
42 years old
Condition
Fair
inspected April 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
32 ft
1 main span
Daily traffic
3,124
2002 count
Owner
County
County Highway Agency

About this bridge

Sheppard Lane over Middle Patuxent River is a steel stringer/multi-beam or girder carrying Sheppard Lane over Middle Patuxent River in Howard County, Maryland. It was built in 1983, so it is 42 years old, younger 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 3,124 vehicles a day, roughly 4% of them trucks, projected to reach 3,800 by 2015. The structure is 32 ft (9.8 m) long and 39 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesSheppard Lane
CrossesMiddle Patuxent River
Location1.3 MI N of Md RTE 108
RouteCounty Highway 80
Coordinates39.23677, -76.94051
Functional classRural 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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating82.5 US tons
Inventory rating49.5 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length32 ft (9.8 m)
Longest span30 ft (9.1 m)
Deck width39 ft (11.9 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,124 (2002)
Projected traffic3,800 by 2015
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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 Sheppard Lane over Middle Patuxent River built?

It was built in 1983, making it 42 years old in 2025.

What condition is Sheppard Lane over Middle 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 Sheppard Lane over Middle Patuxent River carry?

About 3,124 vehicles per day (2002 count), of which roughly 4% are trucks.

How long is Sheppard Lane over Middle Patuxent River?

The structure is 32 ft (9.8 m) long with a longest span of 30 ft (9.1 m) and a deck 39 ft wide.

Who owns Sheppard Lane over Middle Patuxent River?

It is owned by the County Highway Agency.