US Bridges

SR0028 NB over SR3017

Fair

Armstrong County, Pennsylvania · Center Hill NO.3 NB · Structure no. 000000000002960

Built
1970
55 years old
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
191 ft
3 main spans
Daily traffic
6,625
2024 count
Owner
State
State Highway Agency

About this bridge

SR0028 NB over SR3017 is a prestressed concrete stringer/multi-beam or girder carrying SR0028 NB over SR3017 in Armstrong County, Pennsylvania. It was built in 1970, so it is 55 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 6,625 vehicles a day, roughly 17% of them trucks, projected to reach 8,650 by 2032. The structure is 191 ft (58.2 m) long and 44 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesSR0028 NB
CrossesSR3017
LocationCenter Hill NO.3 NB
RouteState Highway 28
CountyArmstrong County
StatePennsylvania
Coordinates40.79736, -79.57093
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating78 US tons
Inventory rating28 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length191 ft (58.2 m)
Longest span92 ft (28 m)
Deck width44 ft (13.4 m)
Roadway width41 ft (12.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,625 (2024)
Projected traffic8,650 by 2032
Trucks17%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed0.6 mi (1 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was SR0028 NB over SR3017 built?

It was built in 1970, making it 55 years old in 2025.

What condition is SR0028 NB over SR3017 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 2023.

How much traffic does SR0028 NB over SR3017 carry?

About 6,625 vehicles per day (2024 count), of which roughly 17% are trucks.

How long is SR0028 NB over SR3017?

The structure is 191 ft (58.2 m) long with a longest span of 92 ft (28 m) and a deck 44 ft wide.

Who owns SR0028 NB over SR3017?

It is owned by the State Highway Agency.