US Bridges

6th Street over Brush Creek

PoorPosted for load

Westmoreland County, Pennsylvania · Sixth Street Bridge · Structure no. 000000000036990

Built
1930
95 years old
Condition
Poor
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
36 ft
1 main span
Daily traffic
1,564
2011 count
Owner
City
City or Municipal Highway Agency

About this bridge

6th Street over Brush Creek is a steel stringer/multi-beam or girder carrying 6th Street over Brush Creek in Westmoreland County, Pennsylvania. It was built in 1930, so it is 95 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 1,564 vehicles a day, roughly 5% of them trucks, projected to reach 1,870 by 2036. The structure is 36 ft (11 m) long and 41 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Carries6th Street
CrossesBrush Creek
LocationSixth Street Bridge
RouteCity Street 6T0V
Coordinates40.32523, -79.62182
Functional classUrban 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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating38 US tons
Inventory rating22 US tons

Structure

MaterialSteel
DeckCorrugated steel
Main spans1
Design loadH 15
Structure length36 ft (11 m)
Longest span34 ft (10.4 m)
Deck width41 ft (12.6 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,564 (2011)
Projected traffic1,870 by 2036
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$123,000
NavigationNo navigation control on waterway

Frequently asked questions

When was 6th Street over Brush Creek built?

It was built in 1930, making it 95 years old in 2025.

What condition is 6th Street over Brush 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 October 2024.

How much traffic does 6th Street over Brush Creek carry?

About 1,564 vehicles per day (2011 count), of which roughly 5% are trucks.

How long is 6th Street over Brush Creek?

The structure is 36 ft (11 m) long with a longest span of 34 ft (10.4 m) and a deck 41 ft wide.

Who owns 6th Street over Brush Creek?

It is owned by the City or Municipal Highway Agency.