US Bridges

SR 15 Nbl over Tioga River and Railroad

Good

Tioga County, Pennsylvania · 2 MI N. of Tioga Boro · Structure no. 000000000045155

Built
2008
17 years old
Condition
Good
inspected June 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
1,697 ft
11 main spans
Daily traffic
4,838
2024 count
Owner
State
State Highway Agency

About this bridge

SR 15 Nbl over Tioga River and Railroad is a prestressed concrete continuous stringer/multi-beam or girder carrying SR 15 Nbl over Tioga River and Railroad in Tioga County, Pennsylvania. It was built in 2008, so it is 17 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 4,838 vehicles a day, roughly 26% of them trucks, projected to reach 6,390 by 2032. The structure is 1,697 ft (517.2 m) long and 44 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesSR 15 Nbl
CrossesTioga River and Railroad
Location2 MI N. of Tioga Boro
RouteU.S. Route 15
Coordinates41.93766, -77.11084
Functional classRural Principal Arterial - Other

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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating102 US tons
Inventory rating52 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans11
Design loadHL 93
Structure length1,697 ft (517.2 m)
Longest span162 ft (49.4 m)
Deck width44 ft (13.3 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,838 (2024)
Projected traffic6,390 by 2032
Trucks26%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesRailroad and waterway
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 15 Nbl over Tioga River and Railroad built?

It was built in 2008, making it 17 years old in 2025.

What condition is SR 15 Nbl over Tioga River and Railroad 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 June 2023.

How much traffic does SR 15 Nbl over Tioga River and Railroad carry?

About 4,838 vehicles per day (2024 count), of which roughly 26% are trucks.

How long is SR 15 Nbl over Tioga River and Railroad?

The structure is 1,697 ft (517.2 m) long with a longest span of 162 ft (49.4 m) and a deck 44 ft wide.

Who owns SR 15 Nbl over Tioga River and Railroad?

It is owned by the State Highway Agency.