US Bridges

SR 99-I 99 SB over SR 322WB SR 3007 & Ramps

Good

Centre County, Pennsylvania · State College · Structure no. 000000000041675

Built
2002
23 years old
Condition
Good
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
2,025 ft
7 main spans
Daily traffic
15,548
2024 count
Owner
State
State Highway Agency

About this bridge

SR 99-I 99 SB over SR 322WB SR 3007 & Ramps is a steel continuous stringer/multi-beam or girder carrying SR 99-I 99 SB over SR 322WB SR 3007 & Ramps in Centre County, Pennsylvania. It was built in 2002, so it is 23 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 15,548 vehicles a day, roughly 14% of them trucks, projected to reach 19,294 by 2044. The structure is 2,025 ft (617.2 m) long and 43 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesSR 99-I 99 SB
CrossesSR 322WB SR 3007 & Ramps
LocationState College
RouteInterstate 99
Coordinates40.82579, -77.84676
Functional classUrban 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 inspectionJuly 2024
Inspection intervalevery 24 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 rating89.9 US tons
Inventory rating54 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans7
Design loadHS 25 or greater
Structure length2,025 ft (617.2 m)
Longest span328 ft (100 m)
Deck width43 ft (13 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15,548 (2024)
Projected traffic19,294 by 2044
Trucks14%
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 proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was SR 99-I 99 SB over SR 322WB SR 3007 & Ramps built?

It was built in 2002, making it 23 years old in 2025.

What condition is SR 99-I 99 SB over SR 322WB SR 3007 & Ramps 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 July 2024.

How much traffic does SR 99-I 99 SB over SR 322WB SR 3007 & Ramps carry?

About 15,548 vehicles per day (2024 count), of which roughly 14% are trucks.

How long is SR 99-I 99 SB over SR 322WB SR 3007 & Ramps?

The structure is 2,025 ft (617.2 m) long with a longest span of 328 ft (100 m) and a deck 43 ft wide.

Who owns SR 99-I 99 SB over SR 322WB SR 3007 & Ramps?

It is owned by the State Highway Agency.