US Bridges

On Tsr 528 over SR 99- I 99

Good

Centre County, Pennsylvania · Toftrees · Structure no. 000000000054431

Built
2017
8 years old
Condition
Good
inspected July 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
261 ft
2 main spans
Daily traffic
10,218
2024 count
Owner
State
State Highway Agency

About this bridge

On Tsr 528 over SR 99- I 99 is a prestressed concrete continuous stringer/multi-beam or girder carrying On Tsr 528 over SR 99- I 99 in Centre County, Pennsylvania. It was built in 2017, so it is 8 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 10,218 vehicles a day, roughly 3% of them trucks, projected to reach 15,630 by 2043. The structure is 261 ft (79.6 m) long and 106 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesOn Tsr 528
CrossesSR 99- I 99
LocationToftrees
RouteState Highway 0
Coordinates40.81839, -77.81707
Functional classUrban Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Last inspectionJuly 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating53.6 US tons
Inventory rating41.4 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHL 93
Structure length261 ft (79.6 m)
Longest span129 ft (39.3 m)
Deck width106 ft (32.2 m)
Roadway width96 ft (29.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,218 (2024)
Projected traffic15,630 by 2043
Trucks3%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

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 On Tsr 528 over SR 99- I 99 built?

It was built in 2017, making it 8 years old in 2025.

What condition is On Tsr 528 over SR 99- I 99 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 2023.

How much traffic does On Tsr 528 over SR 99- I 99 carry?

About 10,218 vehicles per day (2024 count), of which roughly 3% are trucks.

How long is On Tsr 528 over SR 99- I 99?

The structure is 261 ft (79.6 m) long with a longest span of 129 ft (39.3 m) and a deck 106 ft wide.

Who owns On Tsr 528 over SR 99- I 99?

It is owned by the State Highway Agency.