US Bridges

Sixth ST over CSX

Fair

New Castle County, Delaware · Wilmington · Structure no. 1609B000

Built
1950
75 years old, rebuilt 2008
Condition
Fair
inspected April 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
71 ft
1 main span
Daily traffic
99
2022 count
Owner
State
State Highway Agency

About this bridge

Sixth ST over CSX is a steel stringer/multi-beam or girder carrying Sixth ST over CSX in New Castle County, Delaware. It was built in 1950 and reconstructed in 2008, so it is 75 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 99 vehicles a day, roughly 11% of them trucks, projected to reach 124 by 2042. The structure is 71 ft (21.6 m) long and 40 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesSixth ST
CrossesCSX
LocationWilmington
RouteCity Street 0
Coordinates39.75221, -75.57556
Functional classUrban Local

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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating82.1 US tons
Inventory rating63.2 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length71 ft (21.6 m)
Longest span70 ft (21.3 m)
Deck width40 ft (12.2 m)
Roadway width25 ft (7.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic99 (2022)
Projected traffic124 by 2042
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesRailroad
Detour if closed1.2 mi (2 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Sixth ST over CSX built?

It was built in 1950, making it 75 years old in 2025. It was reconstructed in 2008.

What condition is Sixth ST over CSX 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 2024.

How much traffic does Sixth ST over CSX carry?

About 99 vehicles per day (2022 count), of which roughly 11% are trucks.

How long is Sixth ST over CSX?

The structure is 71 ft (21.6 m) long with a longest span of 70 ft (21.3 m) and a deck 40 ft wide.

Who owns Sixth ST over CSX?

It is owned by the State Highway Agency.