US Bridges

SR0028 NB over T-435 Mchaddon RD

Fair

Armstrong County, Pennsylvania · Mchaddon NO.2 NB · Structure no. 000000000002955

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

About this bridge

SR0028 NB over T-435 Mchaddon RD is a prestressed concrete box beam or girders - multiple carrying SR0028 NB over T-435 Mchaddon RD in Armstrong County, Pennsylvania. It was built in 1968, 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 117 ft (35.7 m) long and 44 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesSR0028 NB
CrossesT-435 Mchaddon RD
LocationMchaddon NO.2 NB
RouteState Highway 28
Coordinates40.78094, -79.58767
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 rating54 US tons
Inventory rating32 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length117 ft (35.7 m)
Longest span42 ft (12.8 m)
Deck width44 ft (13.4 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 T-435 Mchaddon RD built?

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

What condition is SR0028 NB over T-435 Mchaddon RD 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 T-435 Mchaddon RD carry?

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

How long is SR0028 NB over T-435 Mchaddon RD?

The structure is 117 ft (35.7 m) long with a longest span of 42 ft (12.8 m) and a deck 44 ft wide.

Who owns SR0028 NB over T-435 Mchaddon RD?

It is owned by the State Highway Agency.