US Bridges

SR 4005 over Silver Lake Creek

Fair

Susquehanna County, Pennsylvania · Silver Lake Tp 80W TR167 · Structure no. 000000000032653

Built
1961
64 years old
Condition
Fair
inspected April 2024
Type
Slab
Concrete
Length
27 ft
1 main span
Daily traffic
210
2024 count
Owner
State
State Highway Agency

About this bridge

SR 4005 over Silver Lake Creek is a concrete slab carrying SR 4005 over Silver Lake Creek in Susquehanna County, Pennsylvania. It was built in 1961, so it is 64 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 210 vehicles a day, roughly 13% of them trucks, projected to reach 875 by 2032. The structure is 27 ft (8.2 m) long and 35 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

CarriesSR 4005
CrossesSilver Lake Creek
LocationSilver Lake Tp 80W TR167
RouteState Highway 0
Coordinates41.91176, -75.92377
Functional classRural Local

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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating55 US tons
Inventory rating33 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length27 ft (8.2 m)
Longest span26 ft (7.9 m)
Deck width35 ft (10.8 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic210 (2024)
Projected traffic875 by 2032
Trucks13%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.8 mi (19 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$187,000
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 4005 over Silver Lake Creek built?

It was built in 1961, making it 64 years old in 2025.

What condition is SR 4005 over Silver Lake Creek 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 April 2024.

How much traffic does SR 4005 over Silver Lake Creek carry?

About 210 vehicles per day (2024 count), of which roughly 13% are trucks.

How long is SR 4005 over Silver Lake Creek?

The structure is 27 ft (8.2 m) long with a longest span of 26 ft (7.9 m) and a deck 35 ft wide.

Who owns SR 4005 over Silver Lake Creek?

It is owned by the State Highway Agency.