US Bridges

Tilden Lane over Old Farm Creek

Fair

Montgomery County, Maryland · 1.2 Miles West of Md 187 · Structure no. 200000M-0146010

Built
1972
53 years old
Condition
Fair
inspected February 2023
Type
Arch - Deck
Steel
Length
23 ft
1 main span
Daily traffic
6,533
2023 count
Owner
County
County Highway Agency

About this bridge

Tilden Lane over Old Farm Creek is a steel arch - deck carrying Tilden Lane over Old Farm Creek in Montgomery County, Maryland. It was built in 1972, so it is 53 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 5 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 6,533 vehicles a day, roughly 5% of them trucks, projected to reach 8,799 by 2043. The structure is 23 ft (7 m) long and 37 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesTilden Lane
CrossesOld Farm Creek
Location1.2 Miles West of Md 187
RouteCounty Highway 3016
Coordinates39.04394, -77.13794
Functional classUrban 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
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating110.1 US tons
Inventory rating110.1 US tons

Structure

Structure typeArch - Deck
MaterialSteel
DeckNot applicable
Main spans1
Design loadHS 20
Structure length23 ft (7 m)
Longest span23 ft (7 m)
Deck width37 ft (11.3 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,533 (2023)
Projected traffic8,799 by 2043
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$26,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Tilden Lane over Old Farm Creek built?

It was built in 1972, making it 53 years old in 2025.

What condition is Tilden Lane over Old Farm 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 February 2023.

How much traffic does Tilden Lane over Old Farm Creek carry?

About 6,533 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is Tilden Lane over Old Farm Creek?

The structure is 23 ft (7 m) long with a longest span of 23 ft (7 m) and a deck 37 ft wide.

Who owns Tilden Lane over Old Farm Creek?

It is owned by the County Highway Agency.