US Bridges

SR 8004(99N > 22W) over I-99 / US 220

Fair

Blair County, Pennsylvania · 1 Mi.W.Of Hollidaysburg · Structure no. 000000000006014

Built
1983
42 years old, rebuilt 2012
Condition
Fair
inspected July 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
227 ft
2 main spans
Daily traffic
3,225
2024 count
Owner
State
State Highway Agency

About this bridge

SR 8004(99N > 22W) over I-99 / US 220 is a prestressed concrete stringer/multi-beam or girder carrying SR 8004(99N > 22W) over I-99 / US 220 in Blair County, Pennsylvania. It was built in 1983 and reconstructed in 2012, so it is 42 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 3,225 vehicles a day, roughly 25% of them trucks, projected to reach 2,711 by 2032. The structure is 227 ft (69.2 m) long and 31 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

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CarriesSR 8004(99N > 22W)
CrossesI-99 / US 220
Location1 Mi.W.Of Hollidaysburg
RouteState Highway 0
CountyBlair County
StatePennsylvania
Coordinates40.43952, -78.42704
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.
Substructure7 GoodSome minor problems.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating77.1 US tons
Inventory rating34 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length227 ft (69.2 m)
Longest span115 ft (35.1 m)
Deck width31 ft (9.6 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,225 (2024)
Projected traffic2,711 by 2032
Trucks25%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed6.2 mi (10 km)
TollOn a free road
National Highway SystemYes

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 SR 8004(99N > 22W) over I-99 / US 220 built?

It was built in 1983, making it 42 years old in 2025. It was reconstructed in 2012.

What condition is SR 8004(99N > 22W) over I-99 / US 220 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 July 2023.

How much traffic does SR 8004(99N > 22W) over I-99 / US 220 carry?

About 3,225 vehicles per day (2024 count), of which roughly 25% are trucks.

How long is SR 8004(99N > 22W) over I-99 / US 220?

The structure is 227 ft (69.2 m) long with a longest span of 115 ft (35.1 m) and a deck 31 ft wide.

Who owns SR 8004(99N > 22W) over I-99 / US 220?

It is owned by the State Highway Agency.