US Bridges

Pyrite Lane over James Creek

Good

Montgomery County, Maryland · 1.4 Miles East of Md 97 · Structure no. 200000M-0388010

Built
2005
20 years old
Condition
Good
inspected November 2023
Type
Culvert
Steel
Length
35 ft
1 main span
Daily traffic
518
2021 count
Owner
County
County Highway Agency

About this bridge

Pyrite Lane over James Creek is a steel culvert carrying Pyrite Lane over James Creek in Montgomery County, Maryland. It was built in 2005, so it is 20 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 518 vehicles a day, roughly 1% of them trucks, projected to reach 848 by 2041. The structure is 35 ft (10.7 m) long. If it were closed, the detour would be 98.8 mi (159 km).

CarriesPyrite Lane
CrossesJames Creek
Location1.4 Miles East of Md 97
RouteCounty Highway 6484
Coordinates39.17236, -77.03841
Functional classRural 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 protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionNovember 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 rating87.5 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans1
Design loadUnknown
Structure length35 ft (10.7 m)
Longest span35 ft (10.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic518 (2021)
Projected traffic848 by 2041
Trucks1%
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 Pyrite Lane over James Creek built?

It was built in 2005, making it 20 years old in 2025.

What condition is Pyrite Lane over James Creek 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 November 2023.

How much traffic does Pyrite Lane over James Creek carry?

About 518 vehicles per day (2021 count), of which roughly 1% are trucks.

How long is Pyrite Lane over James Creek?

The structure is 35 ft (10.7 m) long with a longest span of 35 ft (10.7 m).

Who owns Pyrite Lane over James Creek?

It is owned by the County Highway Agency.