US Bridges

Md 68 over Is 70

Fair

Washington County, Maryland · 0.47 Mile East of US 40 · Structure no. 100000210099010

Built
1965
60 years old, rebuilt 1973
Condition
Fair
inspected February 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
273 ft
2 main spans
Daily traffic
2,290
2022 count
Owner
State
State Highway Agency

About this bridge

Md 68 over Is 70 is a steel continuous stringer/multi-beam or girder carrying Md 68 over Is 70 in Washington County, Maryland. It was built in 1965 and reconstructed in 1973, so it is 60 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 2,290 vehicles a day, roughly 6% of them trucks, projected to reach 1,791 by 2044. The structure is 273 ft (83.2 m) long and 36 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesMd 68
CrossesIs 70
Location0.47 Mile East of US 40
RouteState Highway 68
Coordinates39.65181, -77.92363
Functional classRural Major Collector

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 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
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating97.4 US tons
Inventory rating58.5 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2 (+2 approach)
Design loadHS 20
Structure length273 ft (83.2 m)
Longest span95 ft (29 m)
Deck width36 ft (11 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,290 (2022)
Projected traffic1,791 by 2044
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Md 68 over Is 70 built?

It was built in 1965, making it 60 years old in 2025. It was reconstructed in 1973.

What condition is Md 68 over Is 70 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 Md 68 over Is 70 carry?

About 2,290 vehicles per day (2022 count), of which roughly 6% are trucks.

How long is Md 68 over Is 70?

The structure is 273 ft (83.2 m) long with a longest span of 95 ft (29 m) and a deck 36 ft wide.

Who owns Md 68 over Is 70?

It is owned by the State Highway Agency.