US Bridges

Long Corner Road over Patuxent River

Fair

Montgomery County, Maryland · 1 Mile North of Gue Road · Structure no. 200000M-0128010

Built
1968
57 years old
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
49 ft
1 main span
Daily traffic
1,216
2024 count
Owner
County
County Highway Agency

About this bridge

Long Corner Road over Patuxent River is a steel stringer/multi-beam or girder carrying Long Corner Road over Patuxent River in Montgomery County, Maryland. It was built in 1968, so it is 57 years old, older than the Maryland average of 52.6 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 1,216 vehicles a day, roughly 5% of them trucks, projected to reach 1,355 by 2044. The structure is 49 ft (14.9 m) long and 45 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesLong Corner Road
CrossesPatuxent River
Location1 Mile North of Gue Road
RouteCounty Highway 41
CountyMontgomery County
StateMaryland
Coordinates39.30937, -77.16537
Functional classRural Minor Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating67.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length49 ft (14.9 m)
Longest span45 ft (13.7 m)
Deck width45 ft (13.6 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,216 (2024)
Projected traffic1,355 by 2044
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 Long Corner Road over Patuxent River built?

It was built in 1968, making it 57 years old in 2025.

What condition is Long Corner Road over Patuxent River in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in September 2024.

How much traffic does Long Corner Road over Patuxent River carry?

About 1,216 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is Long Corner Road over Patuxent River?

The structure is 49 ft (14.9 m) long with a longest span of 45 ft (13.7 m) and a deck 45 ft wide.

Who owns Long Corner Road over Patuxent River?

It is owned by the County Highway Agency.