US Bridges

T-309; Sunset Dr. over South Branch Conewago CR

PoorPosted for load

York County, Pennsylvania · 2.9S Hanover/S.Br.Conewag · Structure no. 000000000038252

Built
1970
55 years old
Condition
Poor
inspected September 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
26 ft
1 main span
Daily traffic
200
2019 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

T-309; Sunset Dr. over South Branch Conewago CR is a prestressed concrete box beam or girders - multiple carrying T-309; Sunset Dr. over South Branch Conewago CR in York County, Pennsylvania. It was built in 1970, so it is 55 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. Its operating status is: posted for load restriction.

It carries about 200 vehicles a day, projected to reach 597 by 2039. The structure is 26 ft (7.9 m) long and 18 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesT-309; Sunset Dr.
CrossesSouth Branch Conewago CR
Location2.9S Hanover/S.Br.Conewag
RouteCity Street 0
Coordinates39.75356, -76.98147
Functional classRural Local

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
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, 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 inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating21.1 US tons

Structure

MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 20
Structure length26 ft (7.9 m)
Longest span24 ft (7.3 m)
Deck width18 ft (5.6 m)
Roadway width16 ft (4.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic200 (2019)
Projected traffic597 by 2039
Trucks0%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerTown or Township Highway Agency
Maintained byTown or Township 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$56,000
NavigationNo navigation control on waterway

Frequently asked questions

When was T-309; Sunset Dr. over South Branch Conewago CR built?

It was built in 1970, making it 55 years old in 2025.

What condition is T-309; Sunset Dr. over South Branch Conewago CR 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 September 2023.

How much traffic does T-309; Sunset Dr. over South Branch Conewago CR carry?

About 200 vehicles per day (2019 count).

How long is T-309; Sunset Dr. over South Branch Conewago CR?

The structure is 26 ft (7.9 m) long with a longest span of 24 ft (7.3 m) and a deck 18 ft wide.

Who owns T-309; Sunset Dr. over South Branch Conewago CR?

It is owned by the Town or Township Highway Agency.