US Bridges

SR0028 NB over SR0128

Fair

Armstrong County, Pennsylvania · Guardian Angel NB · Structure no. 000000000002950

Built
1968
57 years old, rebuilt 1999
Condition
Fair
inspected June 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
114 ft
3 main spans
Daily traffic
6,625
2024 count
Owner
State
State Highway Agency

About this bridge

SR0028 NB over SR0128 is a prestressed concrete box beam or girders - multiple carrying SR0028 NB over SR0128 in Armstrong County, Pennsylvania. It was built in 1968 and reconstructed in 1999, so it is 57 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 114 ft (34.7 m) long and 43 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesSR0028 NB
CrossesSR0128
LocationGuardian Angel NB
RouteState Highway 28
CountyArmstrong County
StatePennsylvania
Coordinates40.76671, -79.61504
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 inspectionJune 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 rating50 US tons
Inventory rating30 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length114 ft (34.7 m)
Longest span44 ft (13.4 m)
Deck width43 ft (13 m)
Roadway width40 ft (12.1 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 SR0128 built?

It was built in 1968, making it 57 years old in 2025. It was reconstructed in 1999.

What condition is SR0028 NB over SR0128 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 June 2023.

How much traffic does SR0028 NB over SR0128 carry?

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

How long is SR0028 NB over SR0128?

The structure is 114 ft (34.7 m) long with a longest span of 44 ft (13.4 m) and a deck 43 ft wide.

Who owns SR0028 NB over SR0128?

It is owned by the State Highway Agency.