US Bridges

T581 Patterson Ck over Patterson Creek

PoorPosted for load

Greene County, Pennsylvania · SW of Nineveh · Structure no. 000000000018526

Built
1914
111 years old, rebuilt 1919
Condition
Poor
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
33 ft
1 main span
Daily traffic
100
2012 count
Owner
County
County Highway Agency

About this bridge

T581 Patterson Ck over Patterson Creek is a steel stringer/multi-beam or girder carrying T581 Patterson Ck over Patterson Creek in Greene County, Pennsylvania. It was built in 1914 and reconstructed in 1919, so it is 111 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 100 vehicles a day, roughly 5% of them trucks, projected to reach 150 by 2032. The structure is 33 ft (10.1 m) long and 18 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesT581 Patterson Ck
CrossesPatterson Creek
LocationSW of Nineveh
RouteCity Street 0T581
Coordinates39.93744, -80.32337
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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, 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 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating38 US tons
Inventory rating22 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 10
Structure length33 ft (10.1 m)
Longest span30 ft (9.1 m)
Deck width18 ft (5.5 m)
Roadway width16 ft (4.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2012)
Projected traffic150 by 2032
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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$537,000
NavigationNo navigation control on waterway

Frequently asked questions

When was T581 Patterson Ck over Patterson Creek built?

It was built in 1914, making it 111 years old in 2025. It was reconstructed in 1919.

What condition is T581 Patterson Ck over Patterson 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 September 2024.

How much traffic does T581 Patterson Ck over Patterson Creek carry?

About 100 vehicles per day (2012 count), of which roughly 5% are trucks.

How long is T581 Patterson Ck over Patterson Creek?

The structure is 33 ft (10.1 m) long with a longest span of 30 ft (9.1 m) and a deck 18 ft wide.

Who owns T581 Patterson Ck over Patterson Creek?

It is owned by the County Highway Agency.