US Bridges

I-99 / US 220 Nbl over SR 0350

Good

Blair County, Pennsylvania · 1.07 MI North of Exit 52 · Structure no. 000000000044180

Built
2006
19 years old
Condition
Good
inspected September 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
283 ft
3 main spans
Daily traffic
6,883
2023 count
Owner
State
State Highway Agency

About this bridge

I-99 / US 220 Nbl over SR 0350 is a prestressed concrete stringer/multi-beam or girder carrying I-99 / US 220 Nbl over SR 0350 in Blair County, Pennsylvania. It was built in 2006, so it is 19 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 6,883 vehicles a day, roughly 15% of them trucks, projected to reach 7,485 by 2032. The structure is 283 ft (86.3 m) long and 43 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

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CarriesI-99 / US 220 Nbl
CrossesSR 0350
Location1.07 MI North of Exit 52
RouteInterstate 99
CountyBlair County
StatePennsylvania
Coordinates40.71549, -78.17871
Functional classRural Principal Arterial - Interstate

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 inspectionSeptember 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating81 US tons
Inventory rating47 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length283 ft (86.3 m)
Longest span135 ft (41.1 m)
Deck width43 ft (13.1 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,883 (2023)
Projected traffic7,485 by 2032
Trucks15%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedDeck rehabilitation with only incidental widening
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-99 / US 220 Nbl over SR 0350 built?

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

What condition is I-99 / US 220 Nbl over SR 0350 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 September 2024.

How much traffic does I-99 / US 220 Nbl over SR 0350 carry?

About 6,883 vehicles per day (2023 count), of which roughly 15% are trucks.

How long is I-99 / US 220 Nbl over SR 0350?

The structure is 283 ft (86.3 m) long with a longest span of 135 ft (41.1 m) and a deck 43 ft wide.

Who owns I-99 / US 220 Nbl over SR 0350?

It is owned by the State Highway Agency.