US Bridges

Millers Run RD over Millers Run

Fair

Allegheny County, Pennsylvania · 200 E of Morgan Hill Rd. · Structure no. 000000000001735

Built
1928
97 years old, rebuilt 2001
Condition
Fair
inspected May 2021
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
70 ft
1 main span
Daily traffic
5,562
2024 count
Owner
State
State Highway Agency

About this bridge

Millers Run RD over Millers Run is a prestressed concrete box beam or girders - multiple carrying Millers Run RD over Millers Run in Allegheny County, Pennsylvania. It was built in 1928 and reconstructed in 2001, so it is 97 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 5,562 vehicles a day, roughly 6% of them trucks, projected to reach 3,220 by 2032. The structure is 70 ft (21.3 m) long and 35 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesMillers Run RD
CrossesMillers Run
Location200 E of Morgan Hill Rd.
RouteState Highway 0
CountyAllegheny County
StatePennsylvania
Coordinates40.34787, -80.15512
Functional classUrban Collector

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
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 rating110.1 US tons
Inventory rating72 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length70 ft (21.3 m)
Longest span67 ft (20.4 m)
Deck width35 ft (10.7 m)
Roadway width27 ft (8.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,562 (2024)
Projected traffic3,220 by 2032
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed5 mi (8 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$69,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Millers Run RD over Millers Run built?

It was built in 1928, making it 97 years old in 2025. It was reconstructed in 2001.

What condition is Millers Run RD over Millers Run 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 2021.

How much traffic does Millers Run RD over Millers Run carry?

About 5,562 vehicles per day (2024 count), of which roughly 6% are trucks.

How long is Millers Run RD over Millers Run?

The structure is 70 ft (21.3 m) long with a longest span of 67 ft (20.4 m) and a deck 35 ft wide.

Who owns Millers Run RD over Millers Run?

It is owned by the State Highway Agency.