US Bridges

SR 99-I 99 over Seda-Cog/Nit&bald Egl RR

Fair

Centre County, Pennsylvania · 1 Mile East Port Matilda · Structure no. 000000000042129

Built
2003
22 years old
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
327 ft
3 main spans
Daily traffic
12,419
2024 count
Owner
State
State Highway Agency

About this bridge

SR 99-I 99 over Seda-Cog/Nit&bald Egl RR is a prestressed concrete continuous stringer/multi-beam or girder carrying SR 99-I 99 over Seda-Cog/Nit&bald Egl RR in Centre County, Pennsylvania. It was built in 2003, so it is 22 years old, younger than the Pennsylvania average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 12,419 vehicles a day, roughly 12% of them trucks, projected to reach 14,635 by 2044. The structure is 327 ft (99.7 m) long and 54 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesSR 99-I 99
CrossesSeda-Cog/Nit&bald Egl RR
Location1 Mile East Port Matilda
RouteInterstate 99
CountyCentre County
StatePennsylvania
Coordinates40.81012, -78.03812
Functional classRural Principal Arterial - Interstate

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
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 geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating34 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 25 or greater
Structure length327 ft (99.7 m)
Longest span124 ft (37.8 m)
Deck width54 ft (16.6 m)
Roadway width47 ft (14.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,419 (2024)
Projected traffic14,635 by 2044
Trucks12%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesRailroad
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 over Seda-Cog/Nit&bald Egl RR built?

It was built in 2003, making it 22 years old in 2025.

What condition is SR 99-I 99 over Seda-Cog/Nit&bald Egl RR in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in July 2024.

How much traffic does SR 99-I 99 over Seda-Cog/Nit&bald Egl RR carry?

About 12,419 vehicles per day (2024 count), of which roughly 12% are trucks.

How long is SR 99-I 99 over Seda-Cog/Nit&bald Egl RR?

The structure is 327 ft (99.7 m) long with a longest span of 124 ft (37.8 m) and a deck 54 ft wide.

Who owns SR 99-I 99 over Seda-Cog/Nit&bald Egl RR?

It is owned by the State Highway Agency.