US Bridges

Steen RD over Chartiers Crk Flood Chan

PoorPosted for load

Allegheny County, Pennsylvania · 102003 Steen RD Ov Aquadt · Structure no. 000000000002113

Built
1972
53 years old
Condition
Poor
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
186 ft
1 main span
Daily traffic
3,215
2016 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Steen RD over Chartiers Crk Flood Chan is a steel stringer/multi-beam or girder carrying Steen RD over Chartiers Crk Flood Chan in Allegheny County, Pennsylvania. It was built in 1972, so it is 53 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 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 3,215 vehicles a day, roughly 10% of them trucks, projected to reach 3,507 by 2038. The structure is 186 ft (56.7 m) long and 48 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesSteen RD
CrossesChartiers Crk Flood Chan
Location102003 Steen RD Ov Aquadt
RouteCity Street 0
Coordinates40.37745, -80.10339
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.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating70 US tons
Inventory rating42 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length186 ft (56.7 m)
Longest span180 ft (54.9 m)
Deck width48 ft (14.5 m)
Roadway width39 ft (12 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,215 (2016)
Projected traffic3,507 by 2038
Trucks10%
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

OwnerTown or Township Highway Agency
Maintained byTown or Township 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$188,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Steen RD over Chartiers Crk Flood Chan built?

It was built in 1972, making it 53 years old in 2025.

What condition is Steen RD over Chartiers Crk Flood Chan 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 Steen RD over Chartiers Crk Flood Chan carry?

About 3,215 vehicles per day (2016 count), of which roughly 10% are trucks.

How long is Steen RD over Chartiers Crk Flood Chan?

The structure is 186 ft (56.7 m) long with a longest span of 180 ft (54.9 m) and a deck 48 ft wide.

Who owns Steen RD over Chartiers Crk Flood Chan?

It is owned by the Town or Township Highway Agency.