US Bridges

Sheep Bridge Road over Conewago Creek

FairPosted for load

York County, Pennsylvania · 1 Mile West of I83 · Structure no. 000000000037988

Built
1889
136 years old, rebuilt 2010
Condition
Fair
inspected March 2023
Type
Truss - Thru
Aluminum, Wrought Iron, or Cast Iron
Length
184 ft
1 main span
Daily traffic
294
2024 count
Owner
State
State Highway Agency

About this bridge

Sheep Bridge Road over Conewago Creek is a aluminum, wrought iron, or cast iron truss - thru carrying Sheep Bridge Road over Conewago Creek in York County, Pennsylvania. It was built in 1889 and reconstructed in 2010, so it is 136 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. Its operating status is: posted for load restriction.

It carries about 294 vehicles a day, roughly 10% of them trucks, projected to reach 256 by 2032. The structure is 184 ft (56.1 m) long and 16 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

Location

Open in Google Maps
CarriesSheep Bridge Road
CrossesConewago Creek
Location1 Mile West of I83
RouteState Highway 0
CountyYork County
StatePennsylvania
Coordinates40.11024, -76.79789
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
Deck8 Very GoodNo problems noted.
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 protection8 Very GoodNo problems noted.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusPosted for load 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 geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating35.1 US tons
Inventory rating23 US tons

Structure

Structure typeTruss - Thru
MaterialAluminum, Wrought Iron, or Cast Iron
DeckOpen grating
Main spans1
Design loadH 15
Structure length184 ft (56.1 m)
Longest span181 ft (55.2 m)
Deck width16 ft (4.9 m)
Roadway width12 ft (3.8 m)
Vertical clearance over deck14 ft (4.2 m)

Traffic and service

Average daily traffic294 (2024)
Projected traffic256 by 2032
Trucks10%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusEligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1.2 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Sheep Bridge Road over Conewago Creek built?

It was built in 1889, making it 136 years old in 2025. It was reconstructed in 2010.

What condition is Sheep Bridge Road over Conewago 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 March 2023.

How much traffic does Sheep Bridge Road over Conewago Creek carry?

About 294 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is Sheep Bridge Road over Conewago Creek?

The structure is 184 ft (56.1 m) long with a longest span of 181 ft (55.2 m) and a deck 16 ft wide.

Who owns Sheep Bridge Road over Conewago Creek?

It is owned by the State Highway Agency.