US Bridges

SR 99-I 99 NB over T-376 and Spring Creek

Good

Centre County, Pennsylvania · 2 MI NE of State College · Structure no. 000000000041659

Built
2002
23 years old
Condition
Good
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
782 ft
4 main spans
Daily traffic
15,804
2024 count
Owner
State
State Highway Agency

About this bridge

SR 99-I 99 NB over T-376 and Spring Creek is a steel continuous stringer/multi-beam or girder carrying SR 99-I 99 NB over T-376 and Spring Creek 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 15,804 vehicles a day, roughly 13% of them trucks, projected to reach 18,670 by 2044. The structure is 782 ft (238.4 m) long and 43 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesSR 99-I 99 NB
CrossesT-376 and Spring Creek
Location2 MI NE of State College
RouteInterstate 99
Coordinates40.84345, -77.8228
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.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionJuly 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating83 US tons
Inventory rating50 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 25 or greater
Structure length782 ft (238.4 m)
Longest span220 ft (67.1 m)
Deck width43 ft (13.1 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15,804 (2024)
Projected traffic18,670 by 2044
Trucks13%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway and waterway
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 99-I 99 NB over T-376 and Spring Creek built?

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

What condition is SR 99-I 99 NB over T-376 and Spring Creek 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 NB over T-376 and Spring Creek carry?

About 15,804 vehicles per day (2024 count), of which roughly 13% are trucks.

How long is SR 99-I 99 NB over T-376 and Spring Creek?

The structure is 782 ft (238.4 m) long with a longest span of 220 ft (67.1 m) and a deck 43 ft wide.

Who owns SR 99-I 99 NB over T-376 and Spring Creek?

It is owned by the State Highway Agency.