US Bridges

Md 100 Wbr over Is 97

Good

Anne Arundel County, Maryland · I-97 Md 100 Interchange · Structure no. 100000020194014

Built
1996
29 years old
Condition
Good
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
260 ft
2 main spans
Daily traffic
36,794
2006 count
Owner
State
State Highway Agency

About this bridge

Md 100 Wbr over Is 97 is a steel continuous stringer/multi-beam or girder carrying Md 100 Wbr over Is 97 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 36,794 vehicles a day, projected to reach 42,423 by 2026. The structure is 260 ft (79.2 m) long and 56 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

No coordinates are recorded for this structure.

CarriesMd 100 Wbr
CrossesIs 97
LocationI-97 Md 100 Interchange
RouteState Highway 100
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 inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating75.5 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length260 ft (79.2 m)
Longest span136 ft (41.5 m)
Deck width56 ft (17.1 m)
Roadway width52 ft (15.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic36,794 (2006)
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 built?

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

What condition is Md 100 Wbr over Is 97 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 October 2024.

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

About 36,794 vehicles per day (2006 count).

How long is Md 100 Wbr over Is 97?

The structure is 260 ft (79.2 m) long with a longest span of 136 ft (41.5 m) and a deck 56 ft wide.

Who owns Md 100 Wbr over Is 97?

It is owned by the State Highway Agency.