US Bridges

SR0028 over Mahoning Creek

Fair

Armstrong County, Pennsylvania · Mahoning Furnace NO.1 · Structure no. 000000000002977

Built
1990
35 years old
Condition
Fair
inspected October 2021
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
489 ft
4 main spans
Daily traffic
7,668
2024 count
Owner
State
State Highway Agency

About this bridge

SR0028 over Mahoning Creek is a steel continuous stringer/multi-beam or girder carrying SR0028 over Mahoning Creek in Armstrong County, Pennsylvania. It was built in 1990, so it is 35 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 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 7,668 vehicles a day, roughly 14% of them trucks, projected to reach 5,823 by 2032. The structure is 489 ft (149 m) long and 43 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

Location

Open in Google Maps
CarriesSR0028
CrossesMahoning Creek
LocationMahoning Furnace NO.1
RouteState Highway 28
CountyArmstrong County
StatePennsylvania
Coordinates40.94644, -79.36317
Functional classRural Principal Arterial - Other

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating81 US tons
Inventory rating48 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 25 or greater
Structure length489 ft (149 m)
Longest span137 ft (41.8 m)
Deck width43 ft (13 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,668 (2024)
Projected traffic5,823 by 2032
Trucks14%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.8 mi (19 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 SR0028 over Mahoning Creek built?

It was built in 1990, making it 35 years old in 2025.

What condition is SR0028 over Mahoning 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 October 2021.

How much traffic does SR0028 over Mahoning Creek carry?

About 7,668 vehicles per day (2024 count), of which roughly 14% are trucks.

How long is SR0028 over Mahoning Creek?

The structure is 489 ft (149 m) long with a longest span of 137 ft (41.8 m) and a deck 43 ft wide.

Who owns SR0028 over Mahoning Creek?

It is owned by the State Highway Agency.