US Bridges

I-99 / US 220 over Private Road

Good

Blair County, Pennsylvania · .2 Mi.N.Of Duncansville · Structure no. 000000000005589

Built
1983
42 years old
Condition
Good
inspected May 2023
Type
Culvert
Concrete
Length
20 ft
1 main span
Daily traffic
16,449
2023 count
Owner
State
State Highway Agency

About this bridge

I-99 / US 220 over Private Road is a concrete culvert carrying I-99 / US 220 over Private Road in Blair County, Pennsylvania. It was built in 1983, so it is 42 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 16,449 vehicles a day, roughly 13% of them trucks, projected to reach 24,629 by 2032. The structure is 20 ft (6.1 m) long. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesI-99 / US 220
CrossesPrivate Road
Location.2 Mi.N.Of Duncansville
RouteInterstate 99
CountyBlair County
StatePennsylvania
Coordinates40.43288, -78.42622
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
Culvert7 GoodSome minor problems.
Last inspectionMay 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating94 US tons
Inventory rating56 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 25 or greater
Structure length20 ft (6.1 m)
Longest span15 ft (4.6 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic16,449 (2023)
Projected traffic24,629 by 2032
Trucks13%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesOther
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 I-99 / US 220 over Private Road built?

It was built in 1983, making it 42 years old in 2025.

What condition is I-99 / US 220 over Private Road 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 May 2023.

How much traffic does I-99 / US 220 over Private Road carry?

About 16,449 vehicles per day (2023 count), of which roughly 13% are trucks.

How long is I-99 / US 220 over Private Road?

The structure is 20 ft (6.1 m) long with a longest span of 15 ft (4.6 m).

Who owns I-99 / US 220 over Private Road?

It is owned by the State Highway Agency.