US Bridges

Md 100 Ebr over Md 170

Good

Anne Arundel County, Maryland · 1.09 Miles M of Md 100P · Structure no. 100000020189013

Built
1995
30 years old
Condition
Good
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
198 ft
1 main span
Daily traffic
68,782
2009 count
Owner
State
State Highway Agency

About this bridge

Md 100 Ebr over Md 170 is a steel stringer/multi-beam or girder carrying Md 100 Ebr over Md 170 in Anne Arundel County, Maryland. It was built in 1995, so it is 30 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 68,782 vehicles a day, roughly 8% of them trucks, projected to reach 40,154 by 2026. The structure is 198 ft (60.4 m) long and 42 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesMd 100 Ebr
CrossesMd 170
Location1.09 Miles M of Md 100P
RouteState Highway 100
Coordinates39.14874, -76.68777
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 inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating84 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length198 ft (60.4 m)
Longest span192 ft (58.5 m)
Deck width42 ft (12.8 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic68,782 (2009)
Projected traffic40,154 by 2026
Trucks8%
Lanes on structure2
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Md 100 Ebr over Md 170 built?

It was built in 1995, making it 30 years old in 2025.

What condition is Md 100 Ebr over Md 170 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 July 2024.

How much traffic does Md 100 Ebr over Md 170 carry?

About 68,782 vehicles per day (2009 count), of which roughly 8% are trucks.

How long is Md 100 Ebr over Md 170?

The structure is 198 ft (60.4 m) long with a longest span of 192 ft (58.5 m) and a deck 42 ft wide.

Who owns Md 100 Ebr over Md 170?

It is owned by the State Highway Agency.