US Bridges

Is 70 Ebr over Mt Tabor Road

Fair

Frederick County, Maryland · 1.15 Miles West of Md 17 · Structure no. 100000100134013

Built
1968
57 years old
Condition
Fair
inspected April 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
139 ft
3 main spans
Daily traffic
71,007
2023 count
Owner
State
State Highway Agency

About this bridge

Is 70 Ebr over Mt Tabor Road is a steel continuous stringer/multi-beam or girder carrying Is 70 Ebr over Mt Tabor 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 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 71,007 vehicles a day, roughly 8% of them trucks, projected to reach 86,642 by 2043. The structure is 139 ft (42.4 m) long and 42 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesIs 70 Ebr
CrossesMt Tabor Road
Location1.15 Miles West of Md 17
RouteInterstate 70
Coordinates39.50653, -77.58517
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionApril 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 rating90.9 US tons
Inventory rating54.5 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length139 ft (42.4 m)
Longest span56 ft (17.1 m)
Deck width42 ft (12.8 m)
Roadway width38 ft (11.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic71,007 (2023)
Projected traffic86,642 by 2043
Trucks8%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed3.1 mi (5 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 Mt Tabor Road built?

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

What condition is Is 70 Ebr over Mt Tabor 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 April 2023.

How much traffic does Is 70 Ebr over Mt Tabor Road carry?

About 71,007 vehicles per day (2023 count), of which roughly 8% are trucks.

How long is Is 70 Ebr over Mt Tabor Road?

The structure is 139 ft (42.4 m) long with a longest span of 56 ft (17.1 m) and a deck 42 ft wide.

Who owns Is 70 Ebr over Mt Tabor Road?

It is owned by the State Highway Agency.