US Bridges

Clayton/Delaney RD over Cypress Branch

Good

New Castle County, Delaware · N.W. of Clayton · Structure no. 1434 040

Built
1964
61 years old
Condition
Good
inspected May 2021
Type
Culvert
Concrete
Length
23 ft
2 main spans
Daily traffic
454
2020 count
Owner
State
State Highway Agency

About this bridge

Clayton/Delaney RD over Cypress Branch is a concrete culvert carrying Clayton/Delaney RD over Cypress Branch in New Castle County, Delaware. It was built in 1964, so it is 61 years old, older 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 454 vehicles a day, roughly 13% of them trucks, projected to reach 564 by 2042. The structure is 23 ft (7.1 m) long and 37 ft wide. If it were closed, the detour would be 4.3 mi (7 km).

Location

Open in Google Maps
CarriesClayton/Delaney RD
CrossesCypress Branch
LocationN.W. of Clayton
RouteCounty Highway 40
CountyNew Castle County
StateDelaware
Coordinates39.3006, -75.7502
Functional classRural Minor Collector

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 protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionMay 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than 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 rating65.7 US tons
Inventory rating50.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length23 ft (7.1 m)
Longest span11 ft (3.5 m)
Deck width37 ft (11.3 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic454 (2020)
Projected traffic564 by 2042
Trucks13%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed4.3 mi (7 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 Clayton/Delaney RD over Cypress Branch built?

It was built in 1964, making it 61 years old in 2025.

What condition is Clayton/Delaney RD over Cypress Branch 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 May 2021.

How much traffic does Clayton/Delaney RD over Cypress Branch carry?

About 454 vehicles per day (2020 count), of which roughly 13% are trucks.

How long is Clayton/Delaney RD over Cypress Branch?

The structure is 23 ft (7.1 m) long with a longest span of 11 ft (3.5 m) and a deck 37 ft wide.

Who owns Clayton/Delaney RD over Cypress Branch?

It is owned by the State Highway Agency.