US Bridges

Ninth ST over CSX

Fair

New Castle County, Delaware · N/W Wilmington · Structure no. 1609D000

Built
2006
19 years old
Condition
Fair
inspected April 2022
Type
Stringer/Multi-beam or Girder
Steel
Length
86 ft
1 main span
Daily traffic
99
2021 count
Owner
State
State Highway Agency

About this bridge

Ninth ST over CSX is a steel stringer/multi-beam or girder carrying Ninth ST over CSX in New Castle County, Delaware. It was built in 2006, so it is 19 years old, younger 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 86 ft (26.1 m) long and 40 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesNinth ST
CrossesCSX
LocationN/W Wilmington
RouteCity Street 0
Coordinates39.75421, -75.57177
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionApril 2022
Inspection intervalevery 48 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 rating71.8 US tons
Inventory rating55.3 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length86 ft (26.1 m)
Longest span82 ft (25 m)
Deck width40 ft (12.1 m)
Roadway width25 ft (7.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic99 (2021)
Projected traffic124 by 2042
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesRailroad
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 statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Ninth ST over CSX built?

It was built in 2006, making it 19 years old in 2025.

What condition is Ninth 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 2022.

How much traffic does Ninth ST over CSX carry?

About 99 vehicles per day (2021 count), of which roughly 11% are trucks.

How long is Ninth ST over CSX?

The structure is 86 ft (26.1 m) long with a longest span of 82 ft (25 m) and a deck 40 ft wide.

Who owns Ninth ST over CSX?

It is owned by the State Highway Agency.