US Bridges

Canterbury RD/SR15 over Mccolleys Pond

Fair

Kent County, Delaware · Mccolleys Pond · Structure no. 2388B388

Built
1984
41 years old
Condition
Fair
inspected July 2021
Type
Stringer/Multi-beam or Girder
Steel
Length
80 ft
1 main span
Daily traffic
5,231
2020 count
Owner
State
State Highway Agency

About this bridge

Canterbury RD/SR15 over Mccolleys Pond is a steel stringer/multi-beam or girder carrying Canterbury RD/SR15 over Mccolleys Pond in Kent County, Delaware. It was built in 1984, so it is 41 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 5,231 vehicles a day, roughly 9% of them trucks, projected to reach 6,501 by 2042. The structure is 80 ft (24.3 m) long and 47 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesCanterbury RD/SR15
CrossesMccolleys Pond
LocationMccolleys Pond
RouteState Highway 15
CountyKent County
StateDelaware
Coordinates38.96737, -75.49298
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2021
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 adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating102.2 US tons
Inventory rating78.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length80 ft (24.3 m)
Longest span73 ft (22.3 m)
Deck width47 ft (14.4 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,231 (2020)
Projected traffic6,501 by 2042
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 Canterbury RD/SR15 over Mccolleys Pond built?

It was built in 1984, making it 41 years old in 2025.

What condition is Canterbury RD/SR15 over Mccolleys Pond 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 July 2021.

How much traffic does Canterbury RD/SR15 over Mccolleys Pond carry?

About 5,231 vehicles per day (2020 count), of which roughly 9% are trucks.

How long is Canterbury RD/SR15 over Mccolleys Pond?

The structure is 80 ft (24.3 m) long with a longest span of 73 ft (22.3 m) and a deck 47 ft wide.

Who owns Canterbury RD/SR15 over Mccolleys Pond?

It is owned by the State Highway Agency.