US Bridges

Md 100 Wbr over Is 97 Ramp 1 a

Good

Anne Arundel County, Maryland · I-97 Md 100 Interchange · Structure no. 100000020195014

Built
1996
29 years old
Condition
Good
inspected November 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
98 ft
1 main span
Daily traffic
75,406
2009 count
Owner
State
State Highway Agency

About this bridge

Md 100 Wbr over Is 97 Ramp 1 a is a steel stringer/multi-beam or girder carrying Md 100 Wbr over Is 97 Ramp 1 a in Anne Arundel County, Maryland. It was built in 1996, so it is 29 years old, younger than the Maryland average of 52.6 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 75,406 vehicles a day, projected to reach 42,423 by 2026. The structure is 98 ft (29.9 m) long and 43 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesMd 100 Wbr
CrossesIs 97 Ramp 1 a
LocationI-97 Md 100 Interchange
RouteState Highway 100
Coordinates39.15282, -76.64305
Functional classUrban Principal Arterial - Other Freeway or Expressway

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating70.4 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length98 ft (29.9 m)
Longest span98 ft (29.9 m)
Deck width43 ft (13.1 m)
Roadway width42 ft (12.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic75,406 (2009)
Projected traffic42,423 by 2026
Trucks—
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed3.7 mi (6 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 Wbr over Is 97 Ramp 1 a built?

It was built in 1996, making it 29 years old in 2025.

What condition is Md 100 Wbr over Is 97 Ramp 1 a in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in November 2024.

How much traffic does Md 100 Wbr over Is 97 Ramp 1 a carry?

About 75,406 vehicles per day (2009 count).

How long is Md 100 Wbr over Is 97 Ramp 1 a?

The structure is 98 ft (29.9 m) long with a longest span of 98 ft (29.9 m) and a deck 43 ft wide.

Who owns Md 100 Wbr over Is 97 Ramp 1 a?

It is owned by the State Highway Agency.