US Bridges

I-99 / US 220 Nbl over SR 8004 (22 EB to 99 Nb)

Fair

Blair County, Pennsylvania · .5 Mi.N.Of Duncansville · Structure no. 000000000005590

Built
1983
42 years old, rebuilt 2013
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
157 ft
3 main spans
Daily traffic
8,640
2023 count
Owner
State
State Highway Agency

About this bridge

I-99 / US 220 Nbl over SR 8004 (22 EB to 99 Nb) is a prestressed concrete stringer/multi-beam or girder carrying I-99 / US 220 Nbl over SR 8004 (22 EB to 99 Nb) in Blair County, Pennsylvania. It was built in 1983 and reconstructed in 2013, 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 8,640 vehicles a day, roughly 15% of them trucks, projected to reach 12,358 by 2032. The structure is 157 ft (47.9 m) long and 46 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesI-99 / US 220 Nbl
CrossesSR 8004 (22 EB to 99 Nb)
Location.5 Mi.N.Of Duncansville
RouteInterstate 99
CountyBlair County
StatePennsylvania
Coordinates40.43696, -78.42708
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75.9 US tons
Inventory rating36 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length157 ft (47.9 m)
Longest span80 ft (24.4 m)
Deck width46 ft (13.9 m)
Roadway width42 ft (12.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,640 (2023)
Projected traffic12,358 by 2032
Trucks15%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-99 / US 220 Nbl over SR 8004 (22 EB to 99 Nb) built?

It was built in 1983, making it 42 years old in 2025. It was reconstructed in 2013.

What condition is I-99 / US 220 Nbl over SR 8004 (22 EB to 99 Nb) 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 August 2024.

How much traffic does I-99 / US 220 Nbl over SR 8004 (22 EB to 99 Nb) carry?

About 8,640 vehicles per day (2023 count), of which roughly 15% are trucks.

How long is I-99 / US 220 Nbl over SR 8004 (22 EB to 99 Nb)?

The structure is 157 ft (47.9 m) long with a longest span of 80 ft (24.4 m) and a deck 46 ft wide.

Who owns I-99 / US 220 Nbl over SR 8004 (22 EB to 99 Nb)?

It is owned by the State Highway Agency.