US Bridges

US 11 over Is 81

Fair

Washington County, Maryland · 0.92 Mile North of Md 63 · Structure no. 100000210083010

Built
1965
60 years old, rebuilt 1974
Condition
Fair
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
332 ft
3 main spans
Daily traffic
14,341
2023 count
Owner
State
State Highway Agency

About this bridge

US 11 over Is 81 is a steel continuous stringer/multi-beam or girder carrying US 11 over Is 81 in Washington County, Maryland. It was built in 1965 and reconstructed in 1974, 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 14,341 vehicles a day, roughly 6% of them trucks, projected to reach 21,000 by 2041. The structure is 332 ft (101.2 m) long and 94 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesUS 11
CrossesIs 81
Location0.92 Mile North of Md 63
RouteU.S. Route 11
CountyWashington County
StateMaryland
Coordinates39.60547, -77.80356
Functional classRural 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
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 inspectionJune 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 geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating69 US tons
Inventory rating41.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length332 ft (101.2 m)
Longest span89 ft (27.1 m)
Deck width94 ft (28.7 m)
Roadway width82 ft (25 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic14,341 (2023)
Projected traffic21,000 by 2041
Trucks6%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$4.1 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was US 11 over Is 81 built?

It was built in 1965, making it 60 years old in 2025. It was reconstructed in 1974.

What condition is US 11 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 June 2024.

How much traffic does US 11 over Is 81 carry?

About 14,341 vehicles per day (2023 count), of which roughly 6% are trucks.

How long is US 11 over Is 81?

The structure is 332 ft (101.2 m) long with a longest span of 89 ft (27.1 m) and a deck 94 ft wide.

Who owns US 11 over Is 81?

It is owned by the State Highway Agency.