US Bridges

SR 8021-PA 8021 over SR 99 and SR 8021

Good

Centre County, Pennsylvania · 4 MI SE Bellefonte · Structure no. 000000000041696

Built
2001
24 years old
Condition
Good
inspected April 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
1,147 ft
7 main spans
Daily traffic
1,740
2024 count
Owner
State
State Highway Agency

About this bridge

SR 8021-PA 8021 over SR 99 and SR 8021 is a steel continuous stringer/multi-beam or girder carrying SR 8021-PA 8021 over SR 99 and SR 8021 in Centre County, Pennsylvania. It was built in 2001, so it is 24 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 1,740 vehicles a day, roughly 8% of them trucks, projected to reach 2,043 by 2043. The structure is 1,147 ft (349.6 m) long and 34 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesSR 8021-PA 8021
CrossesSR 99 and SR 8021
Location4 MI SE Bellefonte
RouteState Highway 0
Coordinates40.88907, -77.73327
Functional classRural 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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating87 US tons
Inventory rating52 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans7
Design loadHS 25 or greater
Structure length1,147 ft (349.6 m)
Longest span185 ft (56.4 m)
Deck width34 ft (10.3 m)
Roadway width31 ft (9.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,740 (2024)
Projected traffic2,043 by 2043
Trucks8%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 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 8021-PA 8021 over SR 99 and SR 8021 built?

It was built in 2001, making it 24 years old in 2025.

What condition is SR 8021-PA 8021 over SR 99 and SR 8021 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 April 2023.

How much traffic does SR 8021-PA 8021 over SR 99 and SR 8021 carry?

About 1,740 vehicles per day (2024 count), of which roughly 8% are trucks.

How long is SR 8021-PA 8021 over SR 99 and SR 8021?

The structure is 1,147 ft (349.6 m) long with a longest span of 185 ft (56.4 m) and a deck 34 ft wide.

Who owns SR 8021-PA 8021 over SR 99 and SR 8021?

It is owned by the State Highway Agency.