US Bridges

SR4 Westbound over Red Clay Creek

Fair

New Castle County, Delaware · Stanton · Structure no. 1157W336

Built
1967
58 years old
Condition
Fair
inspected March 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
79 ft
1 main span
Daily traffic
16,101
2022 count
Owner
State
State Highway Agency

About this bridge

SR4 Westbound over Red Clay Creek is a steel stringer/multi-beam or girder carrying SR4 Westbound over Red Clay Creek in New Castle County, Delaware. It was built in 1967, so it is 58 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 16,101 vehicles a day, roughly 7% of them trucks, projected to reach 9,996 by 2042. The structure is 79 ft (24.1 m) long and 56 ft wide.

CarriesSR4 Westbound
CrossesRed Clay Creek
LocationStanton
RouteState Highway 4
Coordinates39.71574, -75.64025
Functional classUrban Other Principal 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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating46.1 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length79 ft (24.1 m)
Longest span77 ft (23.4 m)
Deck width56 ft (17.2 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic16,101 (2022)
Projected traffic9,996 by 2042
Trucks7%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemYes

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 SR4 Westbound over Red Clay Creek built?

It was built in 1967, making it 58 years old in 2025.

What condition is SR4 Westbound over Red Clay 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 March 2024.

How much traffic does SR4 Westbound over Red Clay Creek carry?

About 16,101 vehicles per day (2022 count), of which roughly 7% are trucks.

How long is SR4 Westbound over Red Clay Creek?

The structure is 79 ft (24.1 m) long with a longest span of 77 ft (23.4 m) and a deck 56 ft wide.

Who owns SR4 Westbound over Red Clay Creek?

It is owned by the State Highway Agency.