US Bridges

SR0128 over SR0028 Nb&sb

Good

Armstrong County, Pennsylvania · Slate Lick NO.2 · Structure no. 000000000003292

Built
1971
54 years old, rebuilt 2001
Condition
Good
inspected October 2022
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
320 ft
2 main spans
Daily traffic
1,103
2024 count
Owner
State
State Highway Agency

About this bridge

SR0128 over SR0028 Nb&sb is a steel continuous stringer/multi-beam or girder carrying SR0128 over SR0028 Nb&sb in Armstrong County, Pennsylvania. It was built in 1971 and reconstructed in 2001, so it is 54 years old, younger than the Pennsylvania average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 1,103 vehicles a day, roughly 8% of them trucks, projected to reach 2,010 by 2032. The structure is 320 ft (97.5 m) long and 49 ft wide.

CarriesSR0128
CrossesSR0028 Nb&sb
LocationSlate Lick NO.2
RouteState Highway 128
Coordinates40.75761, -79.64313
Functional classUrban Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Last inspectionOctober 2022
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating81 US tons
Inventory rating48 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2 (+2 approach)
Design loadHS 25 or greater
Structure length320 ft (97.5 m)
Longest span120 ft (36.6 m)
Deck width49 ft (14.9 m)
Roadway width46 ft (14 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,103 (2024)
Projected traffic2,010 by 2032
Trucks8%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
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 proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was SR0128 over SR0028 Nb&sb built?

It was built in 1971, making it 54 years old in 2025. It was reconstructed in 2001.

What condition is SR0128 over SR0028 Nb&sb in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in October 2022.

How much traffic does SR0128 over SR0028 Nb&sb carry?

About 1,103 vehicles per day (2024 count), of which roughly 8% are trucks.

How long is SR0128 over SR0028 Nb&sb?

The structure is 320 ft (97.5 m) long with a longest span of 120 ft (36.6 m) and a deck 49 ft wide.

Who owns SR0128 over SR0028 Nb&sb?

It is owned by the State Highway Agency.