US Bridges

Long Green Road over Long Green Creek

Fair

Baltimore County, Maryland · 100 Ft W Long Green Pike · Structure no. 200000B-0042010

Built
1970
55 years old, rebuilt 2003
Condition
Fair
inspected September 2023
Type
Girder and Floorbeam System
Steel
Length
31 ft
1 main span
Daily traffic
1,621
2023 count
Owner
County
County Highway Agency

About this bridge

Long Green Road over Long Green Creek is a steel girder and floorbeam system carrying Long Green Road over Long Green Creek in Baltimore County, Maryland. It was built in 1970 and reconstructed in 2003, so it is 55 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 1,621 vehicles a day, roughly 5% of them trucks, projected to reach 1,988 by 2043. The structure is 31 ft (9.5 m) long and 28 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesLong Green Road
CrossesLong Green Creek
Location100 Ft W Long Green Pike
RouteCounty Highway 306
CountyBaltimore County
StateMaryland
Coordinates39.46995, -76.49102
Functional classRural Local

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
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 2023
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 geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating58.5 US tons
Inventory rating34.9 US tons

Structure

Structure typeGirder and Floorbeam System
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length31 ft (9.5 m)
Longest span28 ft (8.5 m)
Deck width28 ft (8.6 m)
Roadway width27 ft (8.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,621 (2023)
Projected traffic1,988 by 2043
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 Green Road over Long Green Creek built?

It was built in 1970, making it 55 years old in 2025. It was reconstructed in 2003.

What condition is Long Green Road over Long Green Creek 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 2023.

How much traffic does Long Green Road over Long Green Creek carry?

About 1,621 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is Long Green Road over Long Green Creek?

The structure is 31 ft (9.5 m) long with a longest span of 28 ft (8.5 m) and a deck 28 ft wide.

Who owns Long Green Road over Long Green Creek?

It is owned by the County Highway Agency.