US Bridges

Ridgefield Drive over Long Branch

Good

Frederick County, Maryland · Just North of Md 144 · Structure no. 200000F-0905030

Built
1991
34 years old
Condition
Good
inspected March 2024
Type
Culvert
Steel
Length
25 ft
Daily traffic
2,707
2024 count
Owner
County
County Highway Agency

About this bridge

Ridgefield Drive over Long Branch is a steel culvert carrying Ridgefield Drive over Long Branch in Frederick County, Maryland. It was built in 1991, so it is 34 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 2,707 vehicles a day, roughly 5% of them trucks, projected to reach 3,248 by 2044. The structure is 25 ft (7.6 m) long. If it were closed, the detour would be 98.8 mi (159 km).

CarriesRidgefield Drive
CrossesLong Branch
LocationJust North of Md 144
RouteCounty Highway 1504
Coordinates39.39724, -77.35329
Functional classRural Minor Collector

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 protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionMarch 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 rating110.1 US tons
Inventory rating110.1 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans0
Design loadHS 20
Structure length25 ft (7.6 m)
Longest span25 ft (7.6 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,707 (2024)
Projected traffic3,248 by 2044
Trucks5%
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 Ridgefield Drive over Long Branch built?

It was built in 1991, making it 34 years old in 2025.

What condition is Ridgefield Drive over Long 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 March 2024.

How much traffic does Ridgefield Drive over Long Branch carry?

About 2,707 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is Ridgefield Drive over Long Branch?

The structure is 25 ft (7.6 m) long with a longest span of 25 ft (7.6 m).

Who owns Ridgefield Drive over Long Branch?

It is owned by the County Highway Agency.