US Bridges

SR 4007 & Twp.Rd. over Kern Run

Fair

Snyder County, Pennsylvania · 2 MI N of Beavertown · Structure no. 000000000031255

Built
1922
103 years old
Condition
Fair
inspected February 2024
Type
Tee Beam
Concrete
Length
40 ft
1 main span
Daily traffic
460
2024 count
Owner
State
State Highway Agency

About this bridge

SR 4007 & Twp.Rd. over Kern Run is a concrete tee beam carrying SR 4007 & Twp.Rd. over Kern Run in Snyder County, Pennsylvania. It was built in 1922, so it is 103 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 460 vehicles a day, roughly 11% of them trucks, projected to reach 340 by 2032. The structure is 40 ft (12.2 m) long and 21 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

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CarriesSR 4007 & Twp.Rd.
CrossesKern Run
Location2 MI N of Beavertown
RouteState Highway 0
CountySnyder County
StatePennsylvania
Coordinates40.77023, -77.17879
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
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 inspectionFebruary 2024
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 alignment8: Equal to present desirable criteria
Operating rating77.1 US tons
Inventory rating46 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length40 ft (12.2 m)
Longest span38 ft (11.6 m)
Deck width21 ft (6.5 m)
Roadway width18 ft (5.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic460 (2024)
Projected traffic340 by 2032
Trucks11%
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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$186,000
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 4007 & Twp.Rd. over Kern Run built?

It was built in 1922, making it 103 years old in 2025.

What condition is SR 4007 & Twp.Rd. over Kern Run 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 2024.

How much traffic does SR 4007 & Twp.Rd. over Kern Run carry?

About 460 vehicles per day (2024 count), of which roughly 11% are trucks.

How long is SR 4007 & Twp.Rd. over Kern Run?

The structure is 40 ft (12.2 m) long with a longest span of 38 ft (11.6 m) and a deck 21 ft wide.

Who owns SR 4007 & Twp.Rd. over Kern Run?

It is owned by the State Highway Agency.