US Bridges

Md 68 over Conococheague Creek

Fair

Washington County, Maryland · 0.20 Mile West of US 11 · Structure no. 100000210036010

Built
1829
196 years old, rebuilt 1987
Condition
Fair
inspected January 2025
Type
Arch - Deck
Masonry
Length
167 ft
4 main spans
Daily traffic
4,532
2009 count
Owner
State
State Highway Agency

About this bridge

Md 68 over Conococheague Creek is a masonry arch - deck carrying Md 68 over Conococheague Creek in Washington County, Maryland. It was built in 1829 and reconstructed in 1987, so it is 196 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 4,532 vehicles a day, roughly 8% of them trucks, projected to reach 5,767 by 2026. The structure is 167 ft (50.9 m) long and 31 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesMd 68
CrossesConococheague Creek
Location0.20 Mile West of US 11
RouteState Highway 68
Coordinates39.6033, -77.82218
Functional classUrban Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating80 US tons
Inventory rating48 US tons

Structure

Structure typeArch - Deck
MaterialMasonry
DeckConcrete, cast-in-place
Main spans4
Design loadUnknown
Structure length167 ft (50.9 m)
Longest span37 ft (11.3 m)
Deck width31 ft (9.6 m)
Roadway width23 ft (7.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,532 (2009)
Projected traffic5,767 by 2026
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed6.8 mi (11 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$348,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Md 68 over Conococheague Creek built?

It was built in 1829, making it 196 years old in 2025. It was reconstructed in 1987.

What condition is Md 68 over Conococheague Creek 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 January 2025.

How much traffic does Md 68 over Conococheague Creek carry?

About 4,532 vehicles per day (2009 count), of which roughly 8% are trucks.

How long is Md 68 over Conococheague Creek?

The structure is 167 ft (50.9 m) long with a longest span of 37 ft (11.3 m) and a deck 31 ft wide.

Who owns Md 68 over Conococheague Creek?

It is owned by the State Highway Agency.