US Bridges

I-99 / US 220 Sbl over Pa 164 & South Dry Run

Fair

Blair County, Pennsylvania · East Freedom · Structure no. 000000000005574

Built
1987
38 years old, rebuilt 2012
Condition
Fair
inspected June 2022
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
207 ft
2 main spans
Daily traffic
6,208
2024 count
Owner
State
State Highway Agency

About this bridge

I-99 / US 220 Sbl over Pa 164 & South Dry Run is a prestressed concrete stringer/multi-beam or girder carrying I-99 / US 220 Sbl over Pa 164 & South Dry Run in Blair County, Pennsylvania. It was built in 1987 and reconstructed in 2012, so it is 38 years old, younger than the Pennsylvania average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 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 6,208 vehicles a day, roughly 20% of them trucks, projected to reach 7,270 by 2032. The structure is 207 ft (63.1 m) long and 44 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesI-99 / US 220 Sbl
CrossesPa 164 & South Dry Run
LocationEast Freedom
RouteInterstate 99
CountyBlair County
StatePennsylvania
Coordinates40.3566, -78.43411
Functional classUrban Principal Arterial - Interstate

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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to 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 rating110.1 US tons
Inventory rating46 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 25 or greater
Structure length207 ft (63.1 m)
Longest span99 ft (30.2 m)
Deck width44 ft (13.3 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,208 (2024)
Projected traffic7,270 by 2032
Trucks20%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway and waterway
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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was I-99 / US 220 Sbl over Pa 164 & South Dry Run built?

It was built in 1987, making it 38 years old in 2025. It was reconstructed in 2012.

What condition is I-99 / US 220 Sbl over Pa 164 & South Dry Run 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 June 2022.

How much traffic does I-99 / US 220 Sbl over Pa 164 & South Dry Run carry?

About 6,208 vehicles per day (2024 count), of which roughly 20% are trucks.

How long is I-99 / US 220 Sbl over Pa 164 & South Dry Run?

The structure is 207 ft (63.1 m) long with a longest span of 99 ft (30.2 m) and a deck 44 ft wide.

Who owns I-99 / US 220 Sbl over Pa 164 & South Dry Run?

It is owned by the State Highway Agency.