US Bridges

Foulk RD/SR261 over Tributary -Naamans Creek

Fair

New Castle County, Delaware · North of Wilmington · Structure no. 1545 203

Built
1965
60 years old
Condition
Fair
inspected April 2022
Type
Culvert
Concrete
Length
22 ft
2 main spans
Daily traffic
10,500
2020 count
Owner
State
State Highway Agency

About this bridge

Foulk RD/SR261 over Tributary -Naamans Creek is a concrete culvert carrying Foulk RD/SR261 over Tributary -Naamans Creek in New Castle County, Delaware. It was built in 1965, so it is 60 years old, older 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 10,500 vehicles a day, roughly 7% of them trucks, projected to reach 16,416 by 2042. The structure is 22 ft (6.6 m) long. If it were closed, the detour would be 1.9 mi (3 km).

CarriesFoulk RD/SR261
CrossesTributary -Naamans Creek
LocationNorth of Wilmington
RouteState Highway 261
Coordinates39.823, -75.50186
Functional classUrban Minor Arterial

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.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating52.5 US tons
Inventory rating41.1 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length22 ft (6.6 m)
Longest span10 ft (3.2 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,500 (2020)
Projected traffic16,416 by 2042
Trucks7%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
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 Foulk RD/SR261 over Tributary -Naamans Creek built?

It was built in 1965, making it 60 years old in 2025.

What condition is Foulk RD/SR261 over Tributary -Naamans 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 April 2022.

How much traffic does Foulk RD/SR261 over Tributary -Naamans Creek carry?

About 10,500 vehicles per day (2020 count), of which roughly 7% are trucks.

How long is Foulk RD/SR261 over Tributary -Naamans Creek?

The structure is 22 ft (6.6 m) long with a longest span of 10 ft (3.2 m).

Who owns Foulk RD/SR261 over Tributary -Naamans Creek?

It is owned by the State Highway Agency.