US Bridges

Broadway Avenue over Slate Creek

PoorPosted for load

Westmoreland County, Pennsylvania · S. Greensburg Borough · Structure no. 000000000056982

Built
1901
124 years old
Condition
Poor
inspected March 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
23 ft
1 main span
Daily traffic
100
2024 count
Owner
City
City or Municipal Highway Agency

About this bridge

Broadway Avenue over Slate Creek is a steel stringer/multi-beam or girder carrying Broadway Avenue over Slate Creek in Westmoreland County, Pennsylvania. It was built in 1901, so it is 124 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 2 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 other load-capacity restriction.

It carries about 100 vehicles a day, roughly 1% of them trucks, projected to reach 150 by 2044. The structure is 23 ft (7 m) long and 20 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesBroadway Avenue
CrossesSlate Creek
LocationS. Greensburg Borough
RouteCity Street 0T782
Coordinates40.27225, -79.55292
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
Deck2 CriticalAdvanced deterioration of primary structural elements. Bridge may be closed until corrective action is taken.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure2 CriticalAdvanced deterioration of primary structural elements. Bridge may be closed until corrective action is taken.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMarch 2024
Inspection intervalevery 12 months
Operating statusPosted for other load-capacity restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating59 US tons
Inventory rating36 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length23 ft (7 m)
Longest span23 ft (7 m)
Deck width20 ft (6.1 m)
Roadway width11 ft (3.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2024)
Projected traffic150 by 2044
Trucks1%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Broadway Avenue over Slate Creek built?

It was built in 1901, making it 124 years old in 2025.

What condition is Broadway Avenue over Slate 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 March 2024.

How much traffic does Broadway Avenue over Slate Creek carry?

About 100 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is Broadway Avenue over Slate Creek?

The structure is 23 ft (7 m) long with a longest span of 23 ft (7 m) and a deck 20 ft wide.

Who owns Broadway Avenue over Slate Creek?

It is owned by the City or Municipal Highway Agency.