US Bridges

SR 4007 . over Dry Run

Fair

Franklin County, Pennsylvania · Dry Run · Structure no. 000000000017581

Built
1934
91 years old
Condition
Fair
inspected March 2024
Type
Slab
Concrete
Length
24 ft
1 main span
Daily traffic
455
2024 count
Owner
State
State Highway Agency

About this bridge

SR 4007 . over Dry Run is a concrete slab carrying SR 4007 . over Dry Run in Franklin 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 455 vehicles a day, roughly 13% of them trucks, projected to reach 379 by 2032. The structure is 24 ft (7.3 m) long and 52 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

Location

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CarriesSR 4007 .
CrossesDry Run
LocationDry Run
RouteState Highway 0
CountyFranklin County
StatePennsylvania
Coordinates40.17118, -77.75312
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
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 rating54 US tons
Inventory rating36 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckNot applicable
Main spans1
Design loadH 20
Structure length24 ft (7.3 m)
Longest span21 ft (6.4 m)
Deck width52 ft (15.9 m)
Roadway width47 ft (14.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic455 (2024)
Projected traffic379 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$261,000
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 4007 . over Dry Run built?

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

What condition is SR 4007 . over Dry 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 March 2024.

How much traffic does SR 4007 . over Dry Run carry?

About 455 vehicles per day (2024 count), of which roughly 13% are trucks.

How long is SR 4007 . over Dry Run?

The structure is 24 ft (7.3 m) long with a longest span of 21 ft (6.4 m) and a deck 52 ft wide.

Who owns SR 4007 . over Dry Run?

It is owned by the State Highway Agency.