US Bridges

Mckelvey Road over Mill Creek

PoorPosted for load

Westmoreland County, Pennsylvania · Oak Grove/Waterford · Structure no. 000000000036929

Built
1910
115 years old, rebuilt 1997
Condition
Poor
inspected April 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
37 ft
1 main span
Daily traffic
50
2018 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Mckelvey Road over Mill Creek is a steel stringer/multi-beam or girder carrying Mckelvey Road over Mill Creek in Westmoreland County, Pennsylvania. It was built in 1910 and reconstructed in 1997, so it is 115 years old, older than the Pennsylvania average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 50 vehicles a day, projected to reach 75 by 2038. The structure is 37 ft (11.3 m) long and 15 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesMckelvey Road
CrossesMill Creek
LocationOak Grove/Waterford
RouteCity Street 0
Coordinates40.25744, -79.18919
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
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 inspectionApril 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating35.1 US tons
Inventory rating21.1 US tons

Structure

MaterialSteel
DeckOpen grating
Main spans1
Design loadH 15
Structure length37 ft (11.3 m)
Longest span35 ft (10.7 m)
Deck width15 ft (4.6 m)
Roadway width14 ft (4.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2018)
Projected traffic75 by 2038
Trucks0%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$288,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Mckelvey Road over Mill Creek built?

It was built in 1910, making it 115 years old in 2025. It was reconstructed in 1997.

What condition is Mckelvey Road over Mill Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in April 2024.

How much traffic does Mckelvey Road over Mill Creek carry?

About 50 vehicles per day (2018 count).

How long is Mckelvey Road over Mill Creek?

The structure is 37 ft (11.3 m) long with a longest span of 35 ft (10.7 m) and a deck 15 ft wide.

Who owns Mckelvey Road over Mill Creek?

It is owned by the Town or Township Highway Agency.