US Bridges

Is 70 EB over US 11

Poor

Washington County, Maryland · 0.33 Mile East of Is 81 · Structure no. 100000210112013

Built
1965
60 years old
Condition
Poor
inspected September 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
149 ft
3 main spans
Daily traffic
62,680
2009 count
Owner
State
State Highway Agency

About this bridge

Is 70 EB over US 11 is a steel stringer/multi-beam or girder carrying Is 70 EB over US 11 in Washington County, Maryland. It was built in 1965, 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 poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 62,680 vehicles a day, roughly 8% of them trucks, projected to reach 40,286 by 2026. The structure is 149 ft (45.4 m) long and 56 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesIs 70 EB
CrossesUS 11
Location0.33 Mile East of Is 81
RouteInterstate 70
Coordinates39.61278, -77.78274
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
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.
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 geometry9: Superior to present desirable 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 spans3
Design loadHS 20
Structure length149 ft (45.4 m)
Longest span73 ft (22.3 m)
Deck width56 ft (17.1 m)
Roadway width54 ft (16.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic62,680 (2009)
Projected traffic40,286 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$551,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was Is 70 EB over US 11 built?

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

What condition is Is 70 EB over US 11 in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in September 2023.

How much traffic does Is 70 EB over US 11 carry?

About 62,680 vehicles per day (2009 count), of which roughly 8% are trucks.

How long is Is 70 EB over US 11?

The structure is 149 ft (45.4 m) long with a longest span of 73 ft (22.3 m) and a deck 56 ft wide.

Who owns Is 70 EB over US 11?

It is owned by the State Highway Agency.