US Bridges

Ninth ST over I 95

Fair

New Castle County, Delaware · Wilmington · Structure no. 1754 000

Built
1964
61 years old
Condition
Fair
inspected May 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
216 ft
4 main spans
Daily traffic
960
2023 count
Owner
State
State Highway Agency

About this bridge

Ninth ST over I 95 is a steel stringer/multi-beam or girder carrying Ninth ST over I 95 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 fair condition with a lowest component rating of 5 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 960 vehicles a day, roughly 9% of them trucks, projected to reach 249 by 2042. The structure is 216 ft (65.8 m) long and 50 ft wide.

Location

Open in Google Maps
CarriesNinth ST
CrossesI 95
LocationWilmington
RouteCity Street 0
CountyNew Castle County
StateDelaware
Coordinates39.74831, -75.55734
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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating53.2 US tons
Inventory rating41.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length216 ft (65.8 m)
Longest span65 ft (19.8 m)
Deck width50 ft (15.2 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic960 (2023)
Projected traffic249 by 2042
Trucks9%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed—
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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost$150,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was Ninth ST over I 95 built?

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

What condition is Ninth ST over I 95 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 May 2024.

How much traffic does Ninth ST over I 95 carry?

About 960 vehicles per day (2023 count), of which roughly 9% are trucks.

How long is Ninth ST over I 95?

The structure is 216 ft (65.8 m) long with a longest span of 65 ft (19.8 m) and a deck 50 ft wide.

Who owns Ninth ST over I 95?

It is owned by the State Highway Agency.