US Bridges

Ellicott Woods LN over Bonnie Branch

Good

Howard County, Maryland · At Worthington Way · Structure no. 200000HO0272030

Built
1990
35 years old
Condition
Good
inspected February 2024
Type
Culvert
Concrete
Length
21 ft
Daily traffic
54
2024 count
Owner
County
County Highway Agency

About this bridge

Ellicott Woods LN over Bonnie Branch is a concrete culvert carrying Ellicott Woods LN over Bonnie Branch in Howard County, Maryland. It was built in 1990, so it is 35 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 54 vehicles a day, projected to reach 70 by 2044. The structure is 21 ft (6.4 m) long. If it were closed, the detour would be 98.8 mi (159 km).

CarriesEllicott Woods LN
CrossesBonnie Branch
LocationAt Worthington Way
RouteCounty Highway 0
Coordinates39.2391, -76.78934
Functional classUrban Local

Condition and inspection

Good

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

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans0
Design loadUnknown
Structure length21 ft (6.4 m)
Longest span6 ft (1.8 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic54 (2024)
Projected traffic70 by 2044
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 Ellicott Woods LN over Bonnie Branch built?

It was built in 1990, making it 35 years old in 2025.

What condition is Ellicott Woods LN over Bonnie Branch 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 February 2024.

How much traffic does Ellicott Woods LN over Bonnie Branch carry?

About 54 vehicles per day (2024 count).

How long is Ellicott Woods LN over Bonnie Branch?

The structure is 21 ft (6.4 m) long with a longest span of 6 ft (1.8 m).

Who owns Ellicott Woods LN over Bonnie Branch?

It is owned by the County Highway Agency.