US Bridges

Carey School Road over Mill Creek

Fair

Westmoreland County, Pennsylvania · W. Vincent St. - Ligonier · Structure no. 000000000036932

Built
1988
37 years old
Condition
Fair
inspected April 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
74 ft
1 main span
Daily traffic
210
2018 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Carey School Road over Mill Creek is a prestressed concrete box beam or girders - multiple carrying Carey School Road over Mill Creek in Westmoreland County, Pennsylvania. It was built in 1988, so it is 37 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 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 210 vehicles a day, roughly 2% of them trucks, projected to reach 300 by 2038. The structure is 74 ft (22.6 m) long and 27 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesCarey School Road
CrossesMill Creek
LocationW. Vincent St. - Ligonier
RouteCity Street 0
Coordinates40.25075, -79.24174
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating66 US tons
Inventory rating11 US tons

Structure

MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 25 or greater
Structure length74 ft (22.6 m)
Longest span72 ft (21.9 m)
Deck width27 ft (8.3 m)
Roadway width25 ft (7.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic210 (2018)
Projected traffic300 by 2038
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Carey School Road over Mill Creek built?

It was built in 1988, making it 37 years old in 2025.

What condition is Carey School Road over Mill 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 April 2024.

How much traffic does Carey School Road over Mill Creek carry?

About 210 vehicles per day (2018 count), of which roughly 2% are trucks.

How long is Carey School Road over Mill Creek?

The structure is 74 ft (22.6 m) long with a longest span of 72 ft (21.9 m) and a deck 27 ft wide.

Who owns Carey School Road over Mill Creek?

It is owned by the Town or Township Highway Agency.