US Bridges

Is 70 WB over Crystal Falls Drive

Fair

Washington County, Maryland · 1.98 Miles West of Md 66 · Structure no. 100000210135014

Built
1968
57 years old
Condition
Fair
inspected October 2023
Type
Slab
Concrete
Length
134 ft
3 main spans
Daily traffic
58,600
2009 count
Owner
State
State Highway Agency

About this bridge

Is 70 WB over Crystal Falls Drive is a concrete slab carrying Is 70 WB over Crystal Falls Drive in Washington County, Maryland. It was built in 1968, so it is 57 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 6 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 58,600 vehicles a day, roughly 8% of them trucks, projected to reach 37,680 by 2026. The structure is 134 ft (40.8 m) long and 42 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesIs 70 WB
CrossesCrystal Falls Drive
Location1.98 Miles West of Md 66
RouteInterstate 70
Coordinates39.56423, -77.61618
Functional classRural 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating67 US tons
Inventory rating40 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length134 ft (40.8 m)
Longest span54 ft (16.5 m)
Deck width42 ft (12.8 m)
Roadway width38 ft (11.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic58,600 (2009)
Projected traffic37,680 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 WB over Crystal Falls Drive built?

It was built in 1968, making it 57 years old in 2025.

What condition is Is 70 WB over Crystal Falls Drive 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 October 2023.

How much traffic does Is 70 WB over Crystal Falls Drive carry?

About 58,600 vehicles per day (2009 count), of which roughly 8% are trucks.

How long is Is 70 WB over Crystal Falls Drive?

The structure is 134 ft (40.8 m) long with a longest span of 54 ft (16.5 m) and a deck 42 ft wide.

Who owns Is 70 WB over Crystal Falls Drive?

It is owned by the State Highway Agency.