US Bridges

Is 70 Ebr over Hollow Road

Fair

Frederick County, Maryland · 0.1 M W of Ridge Road · Structure no. 100000100127013

Built
1968
57 years old
Condition
Fair
inspected March 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
152 ft
3 main spans
Daily traffic
68,230
2009 count
Owner
State
State Highway Agency

About this bridge

Is 70 Ebr over Hollow Road is a steel continuous stringer/multi-beam or girder carrying Is 70 Ebr over Hollow Road in Frederick 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 68,230 vehicles a day, roughly 8% of them trucks, projected to reach 37,854 by 2026. The structure is 152 ft (46.3 m) long and 54 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesIs 70 Ebr
CrossesHollow Road
Location0.1 M W of Ridge Road
RouteInterstate 70
CountyFrederick County
StateMaryland
Coordinates39.45814, -77.50947
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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating97.4 US tons
Inventory rating58.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length152 ft (46.3 m)
Longest span54 ft (16.5 m)
Deck width54 ft (16.5 m)
Roadway width51 ft (15.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic68,230 (2009)
Projected traffic37,854 by 2026
Trucks8%
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 proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Is 70 Ebr over Hollow Road built?

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

What condition is Is 70 Ebr over Hollow Road 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 March 2024.

How much traffic does Is 70 Ebr over Hollow Road carry?

About 68,230 vehicles per day (2009 count), of which roughly 8% are trucks.

How long is Is 70 Ebr over Hollow Road?

The structure is 152 ft (46.3 m) long with a longest span of 54 ft (16.5 m) and a deck 54 ft wide.

Who owns Is 70 Ebr over Hollow Road?

It is owned by the State Highway Agency.