US Bridges

SR 78 (lr 141) over T-566(SCHOOL House Road)

Fair

Berks County, Pennsylvania · I-78 over School House RD · Structure no. 000000000004648

Built
1955
70 years old, rebuilt 1996
Condition
Fair
inspected May 2023
Type
Tee Beam
Concrete
Length
29 ft
1 main span
Daily traffic
32,446
2023 count
Owner
State
State Highway Agency

About this bridge

SR 78 (lr 141) over T-566(SCHOOL House Road) is a concrete tee beam carrying SR 78 (lr 141) over T-566(SCHOOL House Road) in Berks County, Pennsylvania. It was built in 1955 and reconstructed in 1996, so it is 70 years old, older 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 5 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 32,446 vehicles a day, roughly 38% of them trucks, projected to reach 44,209 by 2032. The structure is 29 ft (8.8 m) long and 88 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

Location

Open in Google Maps
CarriesSR 78 (lr 141)
CrossesT-566(SCHOOL House Road)
LocationI-78 over School House RD
RouteInterstate 78
CountyBerks County
StatePennsylvania
Coordinates40.52042, -76.09567
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating58 US tons
Inventory rating35.1 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length29 ft (8.8 m)
Longest span27 ft (8.2 m)
Deck width88 ft (26.8 m)
Roadway width82 ft (24.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic32,446 (2023)
Projected traffic44,209 by 2032
Trucks38%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed8.1 mi (13 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$133,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was SR 78 (lr 141) over T-566(SCHOOL House Road) built?

It was built in 1955, making it 70 years old in 2025. It was reconstructed in 1996.

What condition is SR 78 (lr 141) over T-566(SCHOOL House Road) 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 May 2023.

How much traffic does SR 78 (lr 141) over T-566(SCHOOL House Road) carry?

About 32,446 vehicles per day (2023 count), of which roughly 38% are trucks.

How long is SR 78 (lr 141) over T-566(SCHOOL House Road)?

The structure is 29 ft (8.8 m) long with a longest span of 27 ft (8.2 m) and a deck 88 ft wide.

Who owns SR 78 (lr 141) over T-566(SCHOOL House Road)?

It is owned by the State Highway Agency.