US Bridges

Crystal DR over Big Pucketa Creek

Fair

Allegheny County, Pennsylvania · PO06 Pucketa Creek No 6 · Structure no. 000000000002693

Built
1916
109 years old, rebuilt 2007
Condition
Fair
inspected July 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
62 ft
2 main spans
Daily traffic
440
2023 count
Owner
County
County Highway Agency

About this bridge

Crystal DR over Big Pucketa Creek is a prestressed concrete box beam or girders - multiple carrying Crystal DR over Big Pucketa Creek in Allegheny County, Pennsylvania. It was built in 1916 and reconstructed in 2007, so it is 109 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 440 vehicles a day, roughly 1% of them trucks, projected to reach 515 by 2043. The structure is 62 ft (18.9 m) long and 30 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesCrystal DR
CrossesBig Pucketa Creek
LocationPO06 Pucketa Creek No 6
RouteCity Street 0
Coordinates40.5494, -79.73892
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
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating88 US tons
Inventory rating55 US tons

Structure

MaterialPrestressed Concrete
DeckNot applicable
Main spans2
Design loadH 20
Structure length62 ft (18.9 m)
Longest span29 ft (8.8 m)
Deck width30 ft (9 m)
Roadway width23 ft (6.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic440 (2023)
Projected traffic515 by 2043
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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$157,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Crystal DR over Big Pucketa Creek built?

It was built in 1916, making it 109 years old in 2025. It was reconstructed in 2007.

What condition is Crystal DR over Big Pucketa Creek 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 July 2023.

How much traffic does Crystal DR over Big Pucketa Creek carry?

About 440 vehicles per day (2023 count), of which roughly 1% are trucks.

How long is Crystal DR over Big Pucketa Creek?

The structure is 62 ft (18.9 m) long with a longest span of 29 ft (8.8 m) and a deck 30 ft wide.

Who owns Crystal DR over Big Pucketa Creek?

It is owned by the County Highway Agency.