US Bridges

Md 100 over Executive Park Drive

Good

Howard County, Maryland · 0.91 Mile West of Md 104 · Structure no. 100000130147010

Built
1998
27 years old
Condition
Good
inspected March 2023
Type
Slab
Prestressed Concrete
Length
55 ft
1 main span
Daily traffic
79,752
2009 count
Owner
State
State Highway Agency

About this bridge

Md 100 over Executive Park Drive is a prestressed concrete slab carrying Md 100 over Executive Park Drive in Howard County, Maryland. It was built in 1998, so it is 27 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 79,752 vehicles a day, roughly 10% of them trucks, projected to reach 86,927 by 2026. The structure is 55 ft (16.8 m) long and 60 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesMd 100
CrossesExecutive Park Drive
Location0.91 Mile West of Md 104
RouteState Highway 100
Coordinates39.23545, -76.81416
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.
Substructure8 Very GoodNo problems noted.
Last inspectionMarch 2023
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 rating91.5 US tons
Inventory rating55 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckNot applicable
Main spans1
Design loadHS 25 or greater
Structure length55 ft (16.8 m)
Longest span52 ft (15.9 m)
Deck width60 ft (18.3 m)
Roadway width56 ft (17.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic79,752 (2009)
Projected traffic86,927 by 2026
Trucks10%
Lanes on structure3
Traffic directionTwo-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 over Executive Park Drive built?

It was built in 1998, making it 27 years old in 2025.

What condition is Md 100 over Executive Park Drive 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 March 2023.

How much traffic does Md 100 over Executive Park Drive carry?

About 79,752 vehicles per day (2009 count), of which roughly 10% are trucks.

How long is Md 100 over Executive Park Drive?

The structure is 55 ft (16.8 m) long with a longest span of 52 ft (15.9 m) and a deck 60 ft wide.

Who owns Md 100 over Executive Park Drive?

It is owned by the State Highway Agency.