US Bridges

I-99 and SR 8005 over SR453 & 1012 RR J. Riv

Fair

Blair County, Pennsylvania · Tyrone Viaduct · Structure no. 000000000005611

Built
1975
50 years old, rebuilt 2018
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
1,380 ft
12 main spans
Daily traffic
10,598
2024 count
Owner
State
State Highway Agency

About this bridge

I-99 and SR 8005 over SR453 & 1012 RR J. Riv is a steel stringer/multi-beam or girder carrying I-99 and SR 8005 over SR453 & 1012 RR J. Riv in Blair County, Pennsylvania. It was built in 1975 and reconstructed in 2018, so it is 50 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 5 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 10,598 vehicles a day, roughly 18% of them trucks, projected to reach 28,411 by 2032. The structure is 1,380 ft (420.6 m) long and 82 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesI-99 and SR 8005
CrossesSR453 & 1012 RR J. Riv
LocationTyrone Viaduct
RouteInterstate 99
Coordinates40.66943, -78.23648
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry9: Superior to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating63.1 US tons
Inventory rating38 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans12 (+1 approach)
Design loadHS 20
Structure length1,380 ft (420.6 m)
Longest span171 ft (52.1 m)
Deck width82 ft (25 m)
Roadway width76 ft (23.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,598 (2024)
Projected traffic28,411 by 2032
Trucks18%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway, waterway and railroad
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 and SR 8005 over SR453 & 1012 RR J. Riv built?

It was built in 1975, making it 50 years old in 2025. It was reconstructed in 2018.

What condition is I-99 and SR 8005 over SR453 & 1012 RR J. Riv 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 May 2023.

How much traffic does I-99 and SR 8005 over SR453 & 1012 RR J. Riv carry?

About 10,598 vehicles per day (2024 count), of which roughly 18% are trucks.

How long is I-99 and SR 8005 over SR453 & 1012 RR J. Riv?

The structure is 1,380 ft (420.6 m) long with a longest span of 171 ft (52.1 m) and a deck 82 ft wide.

Who owns I-99 and SR 8005 over SR453 & 1012 RR J. Riv?

It is owned by the State Highway Agency.