US Bridges

SR 645(LR 06004) over I-78(LR141)

Fair

Berks County, Pennsylvania · Pa 645 Exit · Structure no. 000000000004904

Built
1959
66 years old, rebuilt 2001
Condition
Fair
inspected September 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
167 ft
2 main spans
Daily traffic
1,673
2023 count
Owner
State
State Highway Agency

About this bridge

SR 645(LR 06004) over I-78(LR141) is a prestressed concrete box beam or girders - multiple carrying SR 645(LR 06004) over I-78(LR141) in Berks County, Pennsylvania. It was built in 1959 and reconstructed in 2001, so it is 66 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 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 1,673 vehicles a day, roughly 15% of them trucks, projected to reach 2,049 by 2032. The structure is 167 ft (50.9 m) long and 41 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

Location

Open in Google Maps
CarriesSR 645(LR 06004)
CrossesI-78(LR141)
LocationPa 645 Exit
RouteState Highway 645
CountyBerks County
StatePennsylvania
Coordinates40.46624, -76.33972
Functional classRural Major Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75 US tons
Inventory rating45 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2 (+2 approach)
Design loadHS 20
Structure length167 ft (50.9 m)
Longest span46 ft (14 m)
Deck width41 ft (12.5 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,673 (2023)
Projected traffic2,049 by 2032
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed8.1 mi (13 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 proposedDeck rehabilitation with only incidental widening
Estimated improvement cost$265,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was SR 645(LR 06004) over I-78(LR141) built?

It was built in 1959, making it 66 years old in 2025. It was reconstructed in 2001.

What condition is SR 645(LR 06004) over I-78(LR141) 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 September 2023.

How much traffic does SR 645(LR 06004) over I-78(LR141) carry?

About 1,673 vehicles per day (2023 count), of which roughly 15% are trucks.

How long is SR 645(LR 06004) over I-78(LR141)?

The structure is 167 ft (50.9 m) long with a longest span of 46 ft (14 m) and a deck 41 ft wide.

Who owns SR 645(LR 06004) over I-78(LR141)?

It is owned by the State Highway Agency.