US Bridges

Siko Road over Big Brook

PoorPosted for load

Wayne County, Pennsylvania · 350 Ft East of SR 191 · Structure no. 000000000035865

Built
1970
55 years old, rebuilt 2001
Condition
Poor
inspected October 2022
Type
Stringer/Multi-beam or Girder
Steel
Length
25 ft
1 main span
Daily traffic
35
2011 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Siko Road over Big Brook is a steel stringer/multi-beam or girder carrying Siko Road over Big Brook in Wayne County, Pennsylvania. It was built in 1970 and reconstructed in 2001, 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 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 35 vehicles a day, projected to reach 40 by 2031. The structure is 25 ft (7.6 m) long and 16 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesSiko Road
CrossesBig Brook
Location350 Ft East of SR 191
RouteCity Street 0
Coordinates41.66483, -75.2542
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionOctober 2022
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating5 US tons
Inventory rating3 US tons

Structure

MaterialSteel
DeckOpen grating
Main spans1
Design loadUnknown
Structure length25 ft (7.6 m)
Longest span23 ft (7 m)
Deck width16 ft (5 m)
Roadway width16 ft (5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic35 (2011)
Projected traffic40 by 2031
Trucks—
Lanes on structure2
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$192,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Siko Road over Big Brook built?

It was built in 1970, making it 55 years old in 2025. It was reconstructed in 2001.

What condition is Siko Road over Big Brook 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 2022.

How much traffic does Siko Road over Big Brook carry?

About 35 vehicles per day (2011 count).

How long is Siko Road over Big Brook?

The structure is 25 ft (7.6 m) long with a longest span of 23 ft (7 m) and a deck 16 ft wide.

Who owns Siko Road over Big Brook?

It is owned by the Town or Township Highway Agency.