US Bridges

Cow Marsh Creek RD over Cow Marsh Ditch

Fair

Kent County, Delaware · W. of Viola · Structure no. 2214A214

Built
1981
44 years old
Condition
Fair
inspected November 2022
Type
Slab
Concrete Continuous
Length
44 ft
2 main spans
Daily traffic
427
2021 count
Owner
State
State Highway Agency

About this bridge

Cow Marsh Creek RD over Cow Marsh Ditch is a concrete continuous slab carrying Cow Marsh Creek RD over Cow Marsh Ditch in Kent County, Delaware. It was built in 1981, so it is 44 years old, younger than the Delaware average of 47.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 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 427 vehicles a day, roughly 13% of them trucks, projected to reach 468 by 2042. The structure is 44 ft (13.3 m) long and 36 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesCow Marsh Creek RD
CrossesCow Marsh Ditch
LocationW. of Viola
RouteCounty Highway 214
Coordinates39.05399, -75.65316
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.2 US tons
Inventory rating37.1 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length44 ft (13.3 m)
Longest span20 ft (6.1 m)
Deck width36 ft (11 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic427 (2021)
Projected traffic468 by 2042
Trucks13%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 Cow Marsh Creek RD over Cow Marsh Ditch built?

It was built in 1981, making it 44 years old in 2025.

What condition is Cow Marsh Creek RD over Cow Marsh Ditch 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 November 2022.

How much traffic does Cow Marsh Creek RD over Cow Marsh Ditch carry?

About 427 vehicles per day (2021 count), of which roughly 13% are trucks.

How long is Cow Marsh Creek RD over Cow Marsh Ditch?

The structure is 44 ft (13.3 m) long with a longest span of 20 ft (6.1 m) and a deck 36 ft wide.

Who owns Cow Marsh Creek RD over Cow Marsh Ditch?

It is owned by the State Highway Agency.