US Bridges

SR 4093 over Kiskiminetas & NS R/R

Fair

Westmoreland County, Pennsylvania · Leechburg Bridge · Structure no. 000000000036776

Built
1935
90 years old, rebuilt 1984
Condition
Fair
inspected May 2024
Type
Truss - Thru
Steel
Length
669 ft
1 main span
Daily traffic
12,357
2024 count
Owner
State
State Highway Agency

About this bridge

SR 4093 over Kiskiminetas & NS R/R is a steel truss - thru carrying SR 4093 over Kiskiminetas & NS R/R in Westmoreland County, Pennsylvania. It was built in 1935 and reconstructed in 1984, so it is 90 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 5 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 12,357 vehicles a day, roughly 4% of them trucks, projected to reach 13,721 by 2032. The structure is 669 ft (203.9 m) long and 43 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

Location

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CarriesSR 4093
CrossesKiskiminetas & NS R/R
LocationLeechburg Bridge
RouteState Highway 0
CountyWestmoreland County
StatePennsylvania
Coordinates40.62589, -79.60867
Functional classUrban Minor 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating50 US tons
Inventory rating30 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckConcrete, cast-in-place
Main spans1 (+4 approach)
Design loadHS 20
Structure length669 ft (203.9 m)
Longest span340 ft (103.6 m)
Deck width43 ft (13.1 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deck17 ft (5.2 m)

Traffic and service

Average daily traffic12,357 (2024)
Projected traffic13,721 by 2032
Trucks4%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesRailroad and waterway
Detour if closed9.9 mi (16 km)
TollOn a free road
National Highway SystemNo

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$714,000
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 4093 over Kiskiminetas & NS R/R built?

It was built in 1935, making it 90 years old in 2025. It was reconstructed in 1984.

What condition is SR 4093 over Kiskiminetas & NS R/R 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 May 2024.

How much traffic does SR 4093 over Kiskiminetas & NS R/R carry?

About 12,357 vehicles per day (2024 count), of which roughly 4% are trucks.

How long is SR 4093 over Kiskiminetas & NS R/R?

The structure is 669 ft (203.9 m) long with a longest span of 340 ft (103.6 m) and a deck 43 ft wide.

Who owns SR 4093 over Kiskiminetas & NS R/R?

It is owned by the State Highway Agency.