US Bridges

Pa 645(LR 6004) over Trib Little Swatara Ck

Fair

Berks County, Pennsylvania · Camp Swatara Road · Structure no. 000000000004903

Built
1934
91 years old
Condition
Fair
inspected February 2023
Type
Tee Beam
Concrete
Length
23 ft
1 main span
Daily traffic
2,801
2024 count
Owner
State
State Highway Agency

About this bridge

Pa 645(LR 6004) over Trib Little Swatara Ck is a concrete tee beam carrying Pa 645(LR 6004) over Trib Little Swatara Ck in Berks County, Pennsylvania. It was built in 1934, so it is 91 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 2,801 vehicles a day, roughly 10% of them trucks, projected to reach 2,536 by 2032. The structure is 23 ft (7 m) long and 26 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesPa 645(LR 6004)
CrossesTrib Little Swatara Ck
LocationCamp Swatara Road
RouteState Highway 645
Coordinates40.44804, -76.33449
Functional classRural Minor 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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating46 US tons
Inventory rating28 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length23 ft (7 m)
Longest span21 ft (6.4 m)
Deck width26 ft (7.9 m)
Roadway width23 ft (7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,801 (2024)
Projected traffic2,536 by 2032
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$386,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Pa 645(LR 6004) over Trib Little Swatara Ck built?

It was built in 1934, making it 91 years old in 2025.

What condition is Pa 645(LR 6004) over Trib Little Swatara Ck 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 February 2023.

How much traffic does Pa 645(LR 6004) over Trib Little Swatara Ck carry?

About 2,801 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is Pa 645(LR 6004) over Trib Little Swatara Ck?

The structure is 23 ft (7 m) long with a longest span of 21 ft (6.4 m) and a deck 26 ft wide.

Who owns Pa 645(LR 6004) over Trib Little Swatara Ck?

It is owned by the State Highway Agency.