US Bridges

SR 885 over Cliff

Fair

Allegheny County, Pennsylvania · Blvd of the Allies Bluffs · Structure no. 000000000001324

Built
1950
75 years old, rebuilt 2001
Condition
Fair
inspected March 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
336 ft
12 main spans
Daily traffic
30,717
2024 count
Owner
State
State Highway Agency

About this bridge

SR 885 over Cliff is a prestressed concrete box beam or girders - multiple carrying SR 885 over Cliff in Allegheny County, Pennsylvania. It was built in 1950 and reconstructed in 2001, so it is 75 years old, older 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 30,717 vehicles a day, roughly 9% of them trucks, projected to reach 25,196 by 2032. The structure is 336 ft (102.4 m) long and 27 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesSR 885
CrossesCliff
LocationBlvd of the Allies Bluffs
RouteState Highway 885
Coordinates40.43505, -79.9863
Functional classUrban Other Principal Arterial

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59 US tons
Inventory rating37 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans12
Design loadHS 20
Structure length336 ft (102.4 m)
Longest span28 ft (8.5 m)
Deck width27 ft (8.1 m)
Roadway width23 ft (7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic30,717 (2024)
Projected traffic25,196 by 2032
Trucks9%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesOther
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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$224,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was SR 885 over Cliff built?

It was built in 1950, making it 75 years old in 2025. It was reconstructed in 2001.

What condition is SR 885 over Cliff 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 March 2024.

How much traffic does SR 885 over Cliff carry?

About 30,717 vehicles per day (2024 count), of which roughly 9% are trucks.

How long is SR 885 over Cliff?

The structure is 336 ft (102.4 m) long with a longest span of 28 ft (8.5 m) and a deck 27 ft wide.

Who owns SR 885 over Cliff?

It is owned by the State Highway Agency.