US Bridges

SR4045 (northkill) over I-78 (lr 141)

Good

Berks County, Pennsylvania · Northkill RD over I-78 · Structure no. 000000000053719

Built
2017
8 years old
Condition
Good
inspected December 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
107 ft
1 main span
Daily traffic
535
2024 count
Owner
State
State Highway Agency

About this bridge

SR4045 (northkill) over I-78 (lr 141) is a prestressed concrete stringer/multi-beam or girder carrying SR4045 (northkill) over I-78 (lr 141) in Berks County, Pennsylvania. It was built in 2017, so it is 8 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 535 vehicles a day, roughly 17% of them trucks, projected to reach 226 by 2032. The structure is 107 ft (32.6 m) long and 31 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesSR4045 (northkill)
CrossesI-78 (lr 141)
LocationNorthkill RD over I-78
RouteState Highway 0
Coordinates40.51196, -76.12776
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Last inspectionDecember 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating62.8 US tons
Inventory rating47.2 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 width31 ft (9.6 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic535 (2024)
Projected traffic226 by 2032
Trucks17%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed6.2 mi (10 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was SR4045 (northkill) over I-78 (lr 141) built?

It was built in 2017, making it 8 years old in 2025.

What condition is SR4045 (northkill) over I-78 (lr 141) 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 December 2023.

How much traffic does SR4045 (northkill) over I-78 (lr 141) carry?

About 535 vehicles per day (2024 count), of which roughly 17% are trucks.

How long is SR4045 (northkill) over I-78 (lr 141)?

The structure is 107 ft (32.6 m) long with a longest span of 104 ft (31.7 m) and a deck 31 ft wide.

Who owns SR4045 (northkill) over I-78 (lr 141)?

It is owned by the State Highway Agency.