US Bridges

Is 70 EB Cd over Is 81

Fair

Washington County, Maryland · 0.35 MI W of US 11 · Structure no. 100000210141010

Built
1964
61 years old, rebuilt 1973
Condition
Fair
inspected September 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
274 ft
6 main spans
Daily traffic
6,988
2006 count
Owner
State
State Highway Agency

About this bridge

Is 70 EB Cd over Is 81 is a steel stringer/multi-beam or girder carrying Is 70 EB Cd over Is 81 in Washington County, Maryland. It was built in 1964 and reconstructed in 1973, so it is 61 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 6,988 vehicles a day, roughly 8% of them trucks, projected to reach 8,087 by 2026. The structure is 274 ft (83.5 m) long and 38 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesIs 70 EB Cd
CrossesIs 81
Location0.35 MI W of US 11
RouteInterstate 70
Coordinates39.61717, -77.78606
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 inspectionSeptember 2023
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 geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating81 US tons
Inventory rating48.5 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans6
Design loadHS 20
Structure length274 ft (83.5 m)
Longest span56 ft (17.1 m)
Deck width38 ft (11.6 m)
Roadway width33 ft (10.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,988 (2006)
Projected traffic8,087 by 2026
Trucks8%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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 Is 70 EB Cd over Is 81 built?

It was built in 1964, making it 61 years old in 2025. It was reconstructed in 1973.

What condition is Is 70 EB Cd over Is 81 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 September 2023.

How much traffic does Is 70 EB Cd over Is 81 carry?

About 6,988 vehicles per day (2006 count), of which roughly 8% are trucks.

How long is Is 70 EB Cd over Is 81?

The structure is 274 ft (83.5 m) long with a longest span of 56 ft (17.1 m) and a deck 38 ft wide.

Who owns Is 70 EB Cd over Is 81?

It is owned by the State Highway Agency.