US Bridges

Brink Road over Great Seneca Creek

Poor

Montgomery County, Maryland · 2.1 Miles East of Md 27 · Structure no. 200000M-0064010

Built
1936
89 years old, rebuilt 1972
Condition
Poor
inspected February 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
64 ft
1 main span
Daily traffic
16,456
2023 count
Owner
County
County Highway Agency

About this bridge

Brink Road over Great Seneca Creek is a steel stringer/multi-beam or girder carrying Brink Road over Great Seneca Creek in Montgomery County, Maryland. It was built in 1936 and reconstructed in 1972, so it is 89 years old, older than the Maryland average of 52.6 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 16,456 vehicles a day, roughly 3% of them trucks, projected to reach 21,475 by 2043. The structure is 64 ft (19.5 m) long and 25 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesBrink Road
CrossesGreat Seneca Creek
Location2.1 Miles East of Md 27
RouteCounty Highway 27
Coordinates39.20131, -77.20387
Functional classRural Minor Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionFebruary 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating79 US tons
Inventory rating47 US tons

Structure

MaterialSteel
DeckCorrugated steel
Main spans1
Design loadH 20
Structure length64 ft (19.5 m)
Longest span58 ft (17.7 m)
Deck width25 ft (7.7 m)
Roadway width24 ft (7.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic16,456 (2023)
Projected traffic21,475 by 2043
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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$291,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Brink Road over Great Seneca Creek built?

It was built in 1936, making it 89 years old in 2025. It was reconstructed in 1972.

What condition is Brink Road over Great Seneca Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in February 2024.

How much traffic does Brink Road over Great Seneca Creek carry?

About 16,456 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is Brink Road over Great Seneca Creek?

The structure is 64 ft (19.5 m) long with a longest span of 58 ft (17.7 m) and a deck 25 ft wide.

Who owns Brink Road over Great Seneca Creek?

It is owned by the County Highway Agency.