US Bridges

18th Street over Vine ST Expwy (I-676)

Good

Philadelphia County, Pennsylvania · 18th Street 3590C07 · Structure no. 000000000055900

Built
2018
7 years old
Condition
Good
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
98 ft
1 main span
Daily traffic
1,651
2023 count
Owner
State
State Highway Agency

About this bridge

18th Street over Vine ST Expwy (I-676) is a steel stringer/multi-beam or girder carrying 18th Street over Vine ST Expwy (I-676) in Philadelphia County, Pennsylvania. It was built in 2018, so it is 7 years old, younger than the Pennsylvania average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 1,651 vehicles a day, roughly 6% of them trucks, projected to reach 2,822 by 2032. The structure is 98 ft (29.9 m) long and 70 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Carries18th Street
CrossesVine ST Expwy (I-676)
Location18th Street 3590C07
RouteState Highway 0
Coordinates39.95868, -75.1688
Functional classUrban Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment8: Equal to present desirable criteria
Operating rating70 US tons
Inventory rating47.8 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length98 ft (29.9 m)
Longest span95 ft (29 m)
Deck width70 ft (21.3 m)
Roadway width27 ft (8.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,651 (2023)
Projected traffic2,822 by 2032
Trucks6%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway and pedestrian
CrossesHighway
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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was 18th Street over Vine ST Expwy (I-676) built?

It was built in 2018, making it 7 years old in 2025.

What condition is 18th Street over Vine ST Expwy (I-676) in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in October 2024.

How much traffic does 18th Street over Vine ST Expwy (I-676) carry?

About 1,651 vehicles per day (2023 count), of which roughly 6% are trucks.

How long is 18th Street over Vine ST Expwy (I-676)?

The structure is 98 ft (29.9 m) long with a longest span of 95 ft (29 m) and a deck 70 ft wide.

Who owns 18th Street over Vine ST Expwy (I-676)?

It is owned by the State Highway Agency.