US Bridges

SR 99-I 99 over Zendt Lane

Good

Centre County, Pennsylvania · 1 Mile North Port Matilda · Structure no. 000000000043103

Built
2005
20 years old
Condition
Good
inspected July 2022
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
107 ft
1 main span
Daily traffic
7,082
2023 count
Owner
State
State Highway Agency

About this bridge

SR 99-I 99 over Zendt Lane is a prestressed concrete stringer/multi-beam or girder carrying SR 99-I 99 over Zendt Lane in Centre County, Pennsylvania. It was built in 2005, so it is 20 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 7,082 vehicles a day, roughly 15% of them trucks, projected to reach 9,100 by 2044. The structure is 107 ft (32.6 m) long and 43 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

CarriesSR 99-I 99
CrossesZendt Lane
Location1 Mile North Port Matilda
RouteInterstate 99
Coordinates40.73991, -78.11778
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 inspectionJuly 2022
Inspection intervalevery 48 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 rating110.1 US tons
Inventory rating47 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length107 ft (32.6 m)
Longest span104 ft (31.7 m)
Deck width43 ft (13.1 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,082 (2023)
Projected traffic9,100 by 2044
Trucks15%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed11.8 mi (19 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 over Zendt Lane built?

It was built in 2005, making it 20 years old in 2025.

What condition is SR 99-I 99 over Zendt Lane 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 2022.

How much traffic does SR 99-I 99 over Zendt Lane carry?

About 7,082 vehicles per day (2023 count), of which roughly 15% are trucks.

How long is SR 99-I 99 over Zendt Lane?

The structure is 107 ft (32.6 m) long with a longest span of 104 ft (31.7 m) and a deck 43 ft wide.

Who owns SR 99-I 99 over Zendt Lane?

It is owned by the State Highway Agency.