US Bridges

Old Capital Trail over Red Clay Creek

Fair

New Castle County, Delaware · Marshallton · Structure no. 1155 012

Built
1931
94 years old, rebuilt 1989
Condition
Fair
inspected February 2023
Type
Girder and Floorbeam System
Steel
Length
119 ft
1 main span
Daily traffic
10,072
2021 count
Owner
State
State Highway Agency

About this bridge

Old Capital Trail over Red Clay Creek is a steel girder and floorbeam system carrying Old Capital Trail over Red Clay Creek in New Castle County, Delaware. It was built in 1931 and reconstructed in 1989, so it is 94 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 10,072 vehicles a day, roughly 9% of them trucks, projected to reach 14,017 by 2042. The structure is 119 ft (36.3 m) long and 40 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesOld Capital Trail
CrossesRed Clay Creek
LocationMarshallton
RouteCounty Highway 12
Coordinates39.72837, -75.63679
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
Deck8 Very GoodNo problems noted.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment8: Equal to present desirable criteria
Operating rating32.8 US tons
Inventory rating25.4 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length119 ft (36.3 m)
Longest span113 ft (34.4 m)
Deck width40 ft (12.2 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,072 (2021)
Projected traffic14,017 by 2042
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusEligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$714,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Old Capital Trail over Red Clay Creek built?

It was built in 1931, making it 94 years old in 2025. It was reconstructed in 1989.

What condition is Old Capital Trail 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 February 2023.

How much traffic does Old Capital Trail over Red Clay Creek carry?

About 10,072 vehicles per day (2021 count), of which roughly 9% are trucks.

How long is Old Capital Trail over Red Clay Creek?

The structure is 119 ft (36.3 m) long with a longest span of 113 ft (34.4 m) and a deck 40 ft wide.

Who owns Old Capital Trail over Red Clay Creek?

It is owned by the State Highway Agency.