US Bridges

Longdraft Road over Long Draught Branch

Good

Montgomery County, Maryland · 0.4 MI N of Great Seneca · Structure no. 200000M-0052020

Built
1977
48 years old
Condition
Good
inspected July 2023
Type
Culvert
Concrete
Length
21 ft
Daily traffic
3,200
2023 count
Owner
County
County Highway Agency

About this bridge

Longdraft Road over Long Draught Branch is a concrete culvert carrying Longdraft Road over Long Draught Branch in Montgomery County, Maryland. It was built in 1977, so it is 48 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 3,200 vehicles a day, roughly 5% of them trucks, projected to reach 3,921 by 2043. The structure is 21 ft (6.4 m) long. If it were closed, the detour would be 3.1 mi (5 km).

CarriesLongdraft Road
CrossesLong Draught Branch
Location0.4 MI N of Great Seneca
RouteCounty Highway 223
Coordinates39.13986, -77.24041
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 inspectionJuly 2023
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
MaterialConcrete
DeckNot applicable
Main spans0
Design loadHS 20
Structure length21 ft (6.4 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,200 (2023)
Projected traffic3,921 by 2043
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed3.1 mi (5 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 Longdraft Road over Long Draught Branch built?

It was built in 1977, making it 48 years old in 2025.

What condition is Longdraft Road over Long Draught 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 July 2023.

How much traffic does Longdraft Road over Long Draught Branch carry?

About 3,200 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is Longdraft Road over Long Draught Branch?

The structure is 21 ft (6.4 m) long with a longest span of 10 ft (3 m).

Who owns Longdraft Road over Long Draught Branch?

It is owned by the County Highway Agency.