Is 70 Ebr over US 15

Fair

Frederick County, Maryland · 0.37 Mile East of Md 180 · Structure no. 100000100141013

Built: 1968; 57 years old, rebuilt 1996
Condition: Fair; inspected May 2024
Type: Stringer/Multi-beam or Girder; Steel Continuous
Length: 199 ft; 2 main spans
Daily traffic: 89,580; 2016 count
Owner: State; State Highway Agency

About this bridge

Is 70 Ebr over US 15 is a steel continuous stringer/multi-beam or girder carrying Is 70 Ebr over US 15 in Frederick County, Maryland. It was built in 1968 and reconstructed in 1996, 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 89,580 vehicles a day, roughly 8% of them trucks, projected to reach 114,844 by 2036. The structure is 199 ft (60.7 m) long and 53 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

No coordinates are recorded for this structure.

CarriesIs 70 Ebr

CrossesUS 15

Location0.37 Mile East of Md 180

RouteInterstate 70

CountyFrederick County

StateMaryland

Functional classUrban 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.

Component	Rating	Meaning
Deck	6 Satisfactory	Structural elements show some minor deterioration.
Superstructure	6 Satisfactory	Structural elements show some minor deterioration.
Substructure	6 Satisfactory	Structural elements show some minor deterioration.

Last inspectionMay 2024

Inspection intervalevery 24 months

Operating statusOpen, no restriction

ScourBridge not over waterway

Structural evaluation6: Equal to present minimum criteria

Deck geometry4: Meets minimum tolerable limits to be left in place as is

Approach roadway alignment8: Equal to present desirable criteria

Operating rating87 US tons

Inventory rating52 US tons

Structure

Structure typeStringer/Multi-beam or Girder

MaterialSteel Continuous

DeckConcrete, cast-in-place

Main spans2

Design loadHS 20

Structure length199 ft (60.7 m)

Longest span97 ft (29.6 m)

Deck width53 ft (16.2 m)

Roadway width49 ft (14.9 m)

Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic89,580 (2016)

Projected traffic114,844 by 2036

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 US 15 built?

It was built in 1968, making it 57 years old in 2025. It was reconstructed in 1996.

What condition is Is 70 Ebr over US 15 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 May 2024.

How much traffic does Is 70 Ebr over US 15 carry?

About 89,580 vehicles per day (2016 count), of which roughly 8% are trucks.

How long is Is 70 Ebr over US 15?

The structure is 199 ft (60.7 m) long with a longest span of 97 ft (29.6 m) and a deck 53 ft wide.

Who owns Is 70 Ebr over US 15?

It is owned by the State Highway Agency.