US Bridges

Coon Den RD over Nanticoke River

Good

Kent County, Delaware · SE of Farmington · Structure no. 2118A118

Built
2019
6 years old
Condition
Good
inspected June 2023
Type
Culvert
Concrete
Length
24 ft
1 main span
Daily traffic
126
2022 count
Owner
State
State Highway Agency

About this bridge

Coon Den RD over Nanticoke River is a concrete culvert carrying Coon Den RD over Nanticoke River in Kent County, Delaware. It was built in 2019, so it is 6 years old, younger than the Delaware average of 47.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 126 vehicles a day, roughly 17% of them trucks, projected to reach 444 by 2042. The structure is 24 ft (7.3 m) long. If it were closed, the detour would be 3.1 mi (5 km).

CarriesCoon Den RD
CrossesNanticoke River
LocationSE of Farmington
RouteCounty Highway 118
Coordinates38.83553, -75.55505
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionJune 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.7 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHL 93
Structure length24 ft (7.3 m)
Longest span24 ft (7.3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic126 (2022)
Projected traffic444 by 2042
Trucks17%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 Coon Den RD over Nanticoke River built?

It was built in 2019, making it 6 years old in 2025.

What condition is Coon Den RD over Nanticoke River in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in June 2023.

How much traffic does Coon Den RD over Nanticoke River carry?

About 126 vehicles per day (2022 count), of which roughly 17% are trucks.

How long is Coon Den RD over Nanticoke River?

The structure is 24 ft (7.3 m) long with a longest span of 24 ft (7.3 m).

Who owns Coon Den RD over Nanticoke River?

It is owned by the State Highway Agency.