US Bridges

Woodfield School R over Great Seneca Creek

Fair

Montgomery County, Maryland · 0.5 Miles North of Md 124 · Structure no. 200000M-0130030

Built
1974
51 years old
Condition
Fair
inspected September 2024
Type
Culvert
Steel
Length
33 ft
Daily traffic
169
2024 count
Owner
County
County Highway Agency

About this bridge

Woodfield School R over Great Seneca Creek is a steel culvert carrying Woodfield School R over Great Seneca Creek in Montgomery County, Maryland. It was built in 1974, so it is 51 years old, younger 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 169 vehicles a day, roughly 3% of them trucks, projected to reach 222 by 2044. The structure is 33 ft (10.1 m) long. If it were closed, the detour would be 6.2 mi (10 km).

CarriesWoodfield School R
CrossesGreat Seneca Creek
Location0.5 Miles North of Md 124
RouteCounty Highway 45
Coordinates39.25525, -77.18945
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionSeptember 2024
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
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating110.1 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans0
Design loadHS 20
Structure length33 ft (10.1 m)
Longest span6 ft (1.8 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic169 (2024)
Projected traffic222 by 2044
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 Woodfield School R over Great Seneca Creek built?

It was built in 1974, making it 51 years old in 2025.

What condition is Woodfield School R over Great Seneca 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 2024.

How much traffic does Woodfield School R over Great Seneca Creek carry?

About 169 vehicles per day (2024 count), of which roughly 3% are trucks.

How long is Woodfield School R over Great Seneca Creek?

The structure is 33 ft (10.1 m) long with a longest span of 6 ft (1.8 m).

Who owns Woodfield School R over Great Seneca Creek?

It is owned by the County Highway Agency.