US Bridges

I-78(LR 141) over Trib. Little Swatara Crk

Fair

Berks County, Pennsylvania · .1MI.E.OF Exit 16(5) · Structure no. 000000000004634

Built
1950
75 years old, rebuilt 1977
Condition
Fair
inspected March 2023
Type
Tee Beam
Concrete
Length
27 ft
1 main span
Daily traffic
39,332
2024 count
Owner
State
State Highway Agency

About this bridge

I-78(LR 141) over Trib. Little Swatara Crk is a concrete tee beam carrying I-78(LR 141) over Trib. Little Swatara Crk in Berks County, Pennsylvania. It was built in 1950 and reconstructed in 1977, so it is 75 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 39,332 vehicles a day, roughly 35% of them trucks, projected to reach 44,925 by 2032. The structure is 27 ft (8.2 m) long and 121 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesI-78(LR 141)
CrossesTrib. Little Swatara Crk
Location.1MI.E.OF Exit 16(5)
RouteInterstate 78
Coordinates40.48701, -76.24132
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.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry9: Superior to present desirable criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating63.1 US tons
Inventory rating38 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length27 ft (8.2 m)
Longest span25 ft (7.6 m)
Deck width121 ft (36.8 m)
Roadway width117 ft (35.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic39,332 (2024)
Projected traffic44,925 by 2032
Trucks35%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was I-78(LR 141) over Trib. Little Swatara Crk built?

It was built in 1950, making it 75 years old in 2025. It was reconstructed in 1977.

What condition is I-78(LR 141) over Trib. Little Swatara Crk 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 March 2023.

How much traffic does I-78(LR 141) over Trib. Little Swatara Crk carry?

About 39,332 vehicles per day (2024 count), of which roughly 35% are trucks.

How long is I-78(LR 141) over Trib. Little Swatara Crk?

The structure is 27 ft (8.2 m) long with a longest span of 25 ft (7.6 m) and a deck 121 ft wide.

Who owns I-78(LR 141) over Trib. Little Swatara Crk?

It is owned by the State Highway Agency.