US Bridges

T-776 Swckly CR R over Sewickley Creek

Fair

Westmoreland County, Pennsylvania · Btw T562 & SR 2012 · Structure no. 000000000036939

Built
1940
85 years old, rebuilt 2008
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
36 ft
1 main span
Daily traffic
100
2022 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

T-776 Swckly CR R over Sewickley Creek is a steel stringer/multi-beam or girder carrying T-776 Swckly CR R over Sewickley Creek in Westmoreland County, Pennsylvania. It was built in 1940 and reconstructed in 2008, so it is 85 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 100 vehicles a day, roughly 1% of them trucks, projected to reach 125 by 2042. The structure is 36 ft (11 m) long and 14 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesT-776 Swckly CR R
CrossesSewickley Creek
LocationBtw T562 & SR 2012
RouteCity Street 0T776
Coordinates40.21818, -79.51334
Functional classRural 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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating74 US tons
Inventory rating44 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length36 ft (11 m)
Longest span33 ft (10.1 m)
Deck width14 ft (4.4 m)
Roadway width12 ft (3.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2022)
Projected traffic125 by 2042
Trucks1%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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$43,000
NavigationNo navigation control on waterway

Frequently asked questions

When was T-776 Swckly CR R over Sewickley Creek built?

It was built in 1940, making it 85 years old in 2025. It was reconstructed in 2008.

What condition is T-776 Swckly CR R over Sewickley 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 September 2024.

How much traffic does T-776 Swckly CR R over Sewickley Creek carry?

About 100 vehicles per day (2022 count), of which roughly 1% are trucks.

How long is T-776 Swckly CR R over Sewickley Creek?

The structure is 36 ft (11 m) long with a longest span of 33 ft (10.1 m) and a deck 14 ft wide.

Who owns T-776 Swckly CR R over Sewickley Creek?

It is owned by the Town or Township Highway Agency.