US Bridges

SR 4001 over Little Conewago Creek

Poor

York County, Pennsylvania · 3MILES E of Dover Boro · Structure no. 000000000037945

Built
1937
88 years old
Condition
Poor
inspected October 2023
Type
Tee Beam
Concrete
Length
148 ft
3 main spans
Daily traffic
7,993
2024 count
Owner
State
State Highway Agency

About this bridge

SR 4001 over Little Conewago Creek is a concrete tee beam carrying SR 4001 over Little Conewago Creek in York County, Pennsylvania. It was built in 1937, so it is 88 years old, older than the Pennsylvania average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 7,993 vehicles a day, roughly 5% of them trucks, projected to reach 11,894 by 2032. The structure is 148 ft (45.1 m) long and 26 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesSR 4001
CrossesLittle Conewago Creek
Location3MILES E of Dover Boro
RouteState Highway 0
Coordinates40.00076, -76.79888
Functional classUrban Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

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.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2023
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 geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating57 US tons
Inventory rating34 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length148 ft (45.1 m)
Longest span45 ft (13.7 m)
Deck width26 ft (7.9 m)
Roadway width23 ft (7.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,993 (2024)
Projected traffic11,894 by 2032
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 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$1.6 million
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 4001 over Little Conewago Creek built?

It was built in 1937, making it 88 years old in 2025.

What condition is SR 4001 over Little Conewago Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in October 2023.

How much traffic does SR 4001 over Little Conewago Creek carry?

About 7,993 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is SR 4001 over Little Conewago Creek?

The structure is 148 ft (45.1 m) long with a longest span of 45 ft (13.7 m) and a deck 26 ft wide.

Who owns SR 4001 over Little Conewago Creek?

It is owned by the State Highway Agency.