US Bridges

Is 70 EB over Is 70 Ramp G(7)

Fair

Howard County, Maryland · 0.23 Mile East of US 29 · Structure no. 100000130020010

Built
1966
59 years old
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
211 ft
3 main spans
Daily traffic
94,221
2009 count
Owner
State
State Highway Agency

About this bridge

Is 70 EB over Is 70 Ramp G(7) is a steel stringer/multi-beam or girder carrying Is 70 EB over Is 70 Ramp G(7) in Howard County, Maryland. It was built in 1966, so it is 59 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 94,221 vehicles a day, roughly 8% of them trucks, projected to reach 50,695 by 2026. The structure is 211 ft (64.3 m) long and 42 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Location

Open in Google Maps
CarriesIs 70 EB
CrossesIs 70 Ramp G(7)
Location0.23 Mile East of US 29
RouteInterstate 70
CountyHoward County
StateMaryland
Coordinates39.29621, -76.82159
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.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating89.9 US tons
Inventory rating54 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length211 ft (64.3 m)
Longest span104 ft (31.7 m)
Deck width42 ft (12.8 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic94,221 (2009)
Projected traffic50,695 by 2026
Trucks8%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed6.8 mi (11 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 EB over Is 70 Ramp G(7) built?

It was built in 1966, making it 59 years old in 2025.

What condition is Is 70 EB over Is 70 Ramp G(7) 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 EB over Is 70 Ramp G(7) carry?

About 94,221 vehicles per day (2009 count), of which roughly 8% are trucks.

How long is Is 70 EB over Is 70 Ramp G(7)?

The structure is 211 ft (64.3 m) long with a longest span of 104 ft (31.7 m) and a deck 42 ft wide.

Who owns Is 70 EB over Is 70 Ramp G(7)?

It is owned by the State Highway Agency.