US Bridges

Md 100 EB over Is 95

Fair

Howard County, Maryland · 0.79 Mile West of US 1 · Structure no. 100000130049013

Built
1970
55 years old, rebuilt 1997
Condition
Fair
inspected January 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
315 ft
2 main spans
Daily traffic
90,902
2009 count
Owner
State
State Highway Agency

About this bridge

Md 100 EB over Is 95 is a steel continuous stringer/multi-beam or girder carrying Md 100 EB over Is 95 in Howard County, Maryland. It was built in 1970 and reconstructed in 1997, so it is 55 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 90,902 vehicles a day, roughly 10% of them trucks, projected to reach 183,602 by 2029. The structure is 315 ft (96 m) long and 50 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesMd 100 EB
CrossesIs 95
Location0.79 Mile West of US 1
RouteState Highway 100
Coordinates39.19733, -76.76709
Functional classUrban Principal Arterial - Other Freeway or Expressway

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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2023
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 rating110.1 US tons
Inventory rating67.5 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length315 ft (96 m)
Longest span155 ft (47.2 m)
Deck width50 ft (15.2 m)
Roadway width47 ft (14.3 m)
Vertical clearance over deck16 ft (4.9 m)

Traffic and service

Average daily traffic90,902 (2009)
Projected traffic183,602 by 2029
Trucks10%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

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 Md 100 EB over Is 95 built?

It was built in 1970, making it 55 years old in 2025. It was reconstructed in 1997.

What condition is Md 100 EB over Is 95 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 January 2023.

How much traffic does Md 100 EB over Is 95 carry?

About 90,902 vehicles per day (2009 count), of which roughly 10% are trucks.

How long is Md 100 EB over Is 95?

The structure is 315 ft (96 m) long with a longest span of 155 ft (47.2 m) and a deck 50 ft wide.

Who owns Md 100 EB over Is 95?

It is owned by the State Highway Agency.