US Bridges

Linden Lane over CSXT Railroad

Good

Montgomery County, Maryland · 0.5 MI W of Seminary Road · Structure no. 200000M-0084010

Built
1996
29 years old
Condition
Good
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
63 ft
1 main span
Daily traffic
4,090
2022 count
Owner
County
County Highway Agency

About this bridge

Linden Lane over CSXT Railroad is a steel stringer/multi-beam or girder carrying Linden Lane over CSXT Railroad in Montgomery County, Maryland. It was built in 1996, so it is 29 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 4,090 vehicles a day, roughly 5% of them trucks, projected to reach 4,539 by 2042. The structure is 63 ft (19.2 m) long and 40 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesLinden Lane
CrossesCSXT Railroad
Location0.5 MI W of Seminary Road
RouteCounty Highway 558
Coordinates39.00969, -77.05247
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating66 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length63 ft (19.2 m)
Longest span60 ft (18.3 m)
Deck width40 ft (12.2 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,090 (2022)
Projected traffic4,539 by 2042
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesRailroad
Detour if closed1.9 mi (3 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Linden Lane over CSXT Railroad built?

It was built in 1996, making it 29 years old in 2025.

What condition is Linden Lane over CSXT Railroad 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 August 2024.

How much traffic does Linden Lane over CSXT Railroad carry?

About 4,090 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is Linden Lane over CSXT Railroad?

The structure is 63 ft (19.2 m) long with a longest span of 60 ft (18.3 m) and a deck 40 ft wide.

Who owns Linden Lane over CSXT Railroad?

It is owned by the County Highway Agency.