US Bridges

Mill St. (sylvania over Sugar Creek

PoorPosted for load

Bradford County, Pennsylvania · Sylvania Boro Columbia T · Structure no. 000000000006697

Built
1977
48 years old
Condition
Poor
inspected August 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
33 ft
1 main span
Daily traffic
10
2024 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Mill St. (sylvania over Sugar Creek is a prestressed concrete box beam or girders - multiple carrying Mill St. (sylvania over Sugar Creek in Bradford County, Pennsylvania. It was built in 1977, so it is 48 years old, younger 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 3 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 10 vehicles a day, roughly 10% of them trucks, projected to reach 15 by 2046. The structure is 33 ft (10.1 m) long and 22 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesMill St. (sylvania
CrossesSugar Creek
LocationSylvania Boro Columbia T
RouteCity Street 0
Coordinates41.80674, -76.85401
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
Deck3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Superstructure3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Substructure7 GoodSome minor problems.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating50 US tons
Inventory rating23 US tons

Structure

MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadH 20
Structure length33 ft (10.1 m)
Longest span33 ft (10.1 m)
Deck width22 ft (6.6 m)
Roadway width18 ft (5.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10 (2024)
Projected traffic15 by 2046
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 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 proposedDeck rehabilitation with only incidental widening
Estimated improvement cost$79,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Mill St. (sylvania over Sugar Creek built?

It was built in 1977, making it 48 years old in 2025.

What condition is Mill St. (sylvania over Sugar 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 August 2023.

How much traffic does Mill St. (sylvania over Sugar Creek carry?

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

How long is Mill St. (sylvania over Sugar Creek?

The structure is 33 ft (10.1 m) long with a longest span of 33 ft (10.1 m) and a deck 22 ft wide.

Who owns Mill St. (sylvania over Sugar Creek?

It is owned by the Town or Township Highway Agency.