US Bridges

US 15 over Over T-663

Good

Lycoming County, Pennsylvania · 4.0 Mi.N.Of Williamsport · Structure no. 000000000025045

Built
1993
32 years old
Condition
Good
inspected August 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
133 ft
1 main span
Daily traffic
8,196
2023 count
Owner
State
State Highway Agency

About this bridge

US 15 over Over T-663 is a prestressed concrete stringer/multi-beam or girder carrying US 15 over Over T-663 in Lycoming County, Pennsylvania. It was built in 1993, so it is 32 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 8,196 vehicles a day, roughly 30% of them trucks, projected to reach 8,996 by 2032. The structure is 133 ft (40.5 m) long and 55 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesUS 15
CrossesOver T-663
Location4.0 Mi.N.Of Williamsport
RouteU.S. Route 15
Coordinates41.29904, -77.06679
Functional classUrban Principal Arterial - Other Freeway or Expressway

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionAugust 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating60 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length133 ft (40.5 m)
Longest span128 ft (39 m)
Deck width55 ft (16.9 m)
Roadway width52 ft (15.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,196 (2023)
Projected traffic8,996 by 2032
Trucks30%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkNon-Interstate STRAHNET route

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 US 15 over Over T-663 built?

It was built in 1993, making it 32 years old in 2025.

What condition is US 15 over Over T-663 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 August 2023.

How much traffic does US 15 over Over T-663 carry?

About 8,196 vehicles per day (2023 count), of which roughly 30% are trucks.

How long is US 15 over Over T-663?

The structure is 133 ft (40.5 m) long with a longest span of 128 ft (39 m) and a deck 55 ft wide.

Who owns US 15 over Over T-663?

It is owned by the State Highway Agency.