US Bridges

Mill Road over Mill Creek

Fair

Westmoreland County, Pennsylvania · East of Waterford · Structure no. 000000000036934

Built
1920
105 years old, rebuilt 2016
Condition
Fair
inspected April 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
39 ft
1 main span
Daily traffic
145
2018 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Mill Road over Mill Creek is a steel stringer/multi-beam or girder carrying Mill Road over Mill Creek in Westmoreland County, Pennsylvania. It was built in 1920 and reconstructed in 2016, so it is 105 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 145 vehicles a day, roughly 2% of them trucks, projected to reach 175 by 2038. The structure is 39 ft (11.9 m) long and 16 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesMill Road
CrossesMill Creek
LocationEast of Waterford
RouteCity Street 0
CountyWestmoreland County
StatePennsylvania
Coordinates40.25173, -79.15574
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
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 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 geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating89 US tons
Inventory rating53 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckWood or timber
Main spans1
Design loadHS 25 or greater
Structure length39 ft (11.9 m)
Longest span36 ft (11 m)
Deck width16 ft (5 m)
Roadway width16 ft (4.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic145 (2018)
Projected traffic175 by 2038
Trucks2%
Lanes on structure2
Traffic directionTwo-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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$28,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Mill Road over Mill Creek built?

It was built in 1920, making it 105 years old in 2025. It was reconstructed in 2016.

What condition is Mill 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 Mill Road over Mill Creek carry?

About 145 vehicles per day (2018 count), of which roughly 2% are trucks.

How long is Mill Road over Mill Creek?

The structure is 39 ft (11.9 m) long with a longest span of 36 ft (11 m) and a deck 16 ft wide.

Who owns Mill Road over Mill Creek?

It is owned by the Town or Township Highway Agency.