US Bridges

Dam No. 5 Road over Little Conococheague Cre

Fair

Washington County, Maryland · 2.23 MI SW of Md RTE 56 · Structure no. 200000W-0991010

Built
1993
32 years old
Condition
Fair
inspected February 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
39 ft
1 main span
Daily traffic
430
2022 count
Owner
County
County Highway Agency

About this bridge

Dam No. 5 Road over Little Conococheague Cre is a steel stringer/multi-beam or girder carrying Dam No. 5 Road over Little Conococheague Cre in Washington County, Maryland. It was built in 1993, so it is 32 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 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 430 vehicles a day, roughly 5% of them trucks, projected to reach 579 by 2042. The structure is 39 ft (11.9 m) long and 22 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesDam No. 5 Road
CrossesLittle Conococheague Cre
Location2.23 MI SW of Md RTE 56
RouteCounty Highway 99
CountyWashington County
StateMaryland
Coordinates39.60487, -77.91059
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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating110.1 US tons
Inventory rating68 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length39 ft (11.9 m)
Longest span33 ft (10.1 m)
Deck width22 ft (6.7 m)
Roadway width22 ft (6.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic430 (2022)
Projected traffic579 by 2042
Trucks5%
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 Dam No. 5 Road over Little Conococheague Cre built?

It was built in 1993, making it 32 years old in 2025.

What condition is Dam No. 5 Road over Little Conococheague Cre 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 Dam No. 5 Road over Little Conococheague Cre carry?

About 430 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is Dam No. 5 Road over Little Conococheague Cre?

The structure is 39 ft (11.9 m) long with a longest span of 33 ft (10.1 m) and a deck 22 ft wide.

Who owns Dam No. 5 Road over Little Conococheague Cre?

It is owned by the County Highway Agency.