US Bridges

Is 81 SB over Md 63/68

Good

Washington County, Maryland · 0.88 MI N of West Va Line · Structure no. 100000210077012

Built
1965
60 years old, rebuilt 2020
Condition
Good
inspected July 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
165 ft
4 main spans
Daily traffic
61,300
2011 count
Owner
State
State Highway Agency

About this bridge

Is 81 SB over Md 63/68 is a steel stringer/multi-beam or girder carrying Is 81 SB over Md 63/68 in Washington County, Maryland. It was built in 1965 and reconstructed in 2020, 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 good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 61,300 vehicles a day, roughly 11% of them trucks, projected to reach 84,375 by 2031. The structure is 165 ft (50.3 m) long and 61 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesIs 81 SB
CrossesMd 63/68
Location0.88 MI N of West Va Line
RouteInterstate 81
Coordinates39.58788, -77.81593
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating87.9 US tons
Inventory rating67.9 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans4
Design loadUnknown
Structure length165 ft (50.3 m)
Longest span46 ft (14 m)
Deck width61 ft (18.5 m)
Roadway width57 ft (17.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic61,300 (2011)
Projected traffic84,375 by 2031
Trucks11%
Lanes on structure3
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 proposedDeck replacement with only incidental widening
Estimated improvement cost$87.1 million (2020 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Is 81 SB over Md 63/68 built?

It was built in 1965, making it 60 years old in 2025. It was reconstructed in 2020.

What condition is Is 81 SB over Md 63/68 in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in July 2023.

How much traffic does Is 81 SB over Md 63/68 carry?

About 61,300 vehicles per day (2011 count), of which roughly 11% are trucks.

How long is Is 81 SB over Md 63/68?

The structure is 165 ft (50.3 m) long with a longest span of 46 ft (14 m) and a deck 61 ft wide.

Who owns Is 81 SB over Md 63/68?

It is owned by the State Highway Agency.