US Bridges

Sycamore ST over Ravine

Fair

Allegheny County, Pennsylvania · 123 Sycamore ST · Structure no. 000000000002466

Built
1984
41 years old
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
190 ft
2 main spans
Daily traffic
1,700
2021 count
Owner
City
City or Municipal Highway Agency

About this bridge

Sycamore ST over Ravine is a steel continuous stringer/multi-beam or girder carrying Sycamore ST over Ravine in Allegheny County, Pennsylvania. It was built in 1984, so it is 41 years old, younger than the Pennsylvania average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 1,700 vehicles a day, roughly 5% of them trucks, projected to reach 1,870 by 2041. The structure is 190 ft (57.9 m) long and 37 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesSycamore ST
CrossesRavine
Location123 Sycamore ST
RouteCity Street 0
CountyAllegheny County
StatePennsylvania
Coordinates40.43061, -80.00211
Functional classUrban Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating75.9 US tons
Inventory rating46 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length190 ft (57.9 m)
Longest span116 ft (35.4 m)
Deck width37 ft (11.4 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,700 (2021)
Projected traffic1,870 by 2041
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesOther
Detour if closed5 mi (8 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 proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Sycamore ST over Ravine built?

It was built in 1984, making it 41 years old in 2025.

What condition is Sycamore ST over Ravine in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in October 2023.

How much traffic does Sycamore ST over Ravine carry?

About 1,700 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is Sycamore ST over Ravine?

The structure is 190 ft (57.9 m) long with a longest span of 116 ft (35.4 m) and a deck 37 ft wide.

Who owns Sycamore ST over Ravine?

It is owned by the City or Municipal Highway Agency.