US Bridges

SR 4004 over Conoy Creek

Fair

Lancaster County, Pennsylvania · Stacktown · Structure no. 000000000021684

Built
1974
51 years old
Condition
Fair
inspected May 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
59 ft
1 main span
Daily traffic
532
2024 count
Owner
State
State Highway Agency

About this bridge

SR 4004 over Conoy Creek is a prestressed concrete box beam or girders - multiple carrying SR 4004 over Conoy Creek in Lancaster County, Pennsylvania. It was built in 1974, so it is 51 years old, younger 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 532 vehicles a day, roughly 7% of them trucks, projected to reach 567 by 2032. The structure is 59 ft (18 m) long and 46 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesSR 4004
CrossesConoy Creek
LocationStacktown
RouteState Highway 0
Coordinates40.08974, -76.64176
Functional classUrban 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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry9: Superior to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating45 US tons
Inventory rating18 US tons

Structure

MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 20
Structure length59 ft (18 m)
Longest span59 ft (18 m)
Deck width46 ft (13.9 m)
Roadway width42 ft (12.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic532 (2024)
Projected traffic567 by 2032
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 4004 over Conoy Creek built?

It was built in 1974, making it 51 years old in 2025.

What condition is SR 4004 over Conoy 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 May 2024.

How much traffic does SR 4004 over Conoy Creek carry?

About 532 vehicles per day (2024 count), of which roughly 7% are trucks.

How long is SR 4004 over Conoy Creek?

The structure is 59 ft (18 m) long with a longest span of 59 ft (18 m) and a deck 46 ft wide.

Who owns SR 4004 over Conoy Creek?

It is owned by the State Highway Agency.