US Bridges

SR 4028 over Colvin Run

Fair

Fayette County, Pennsylvania · Redstone Township · Structure no. 000000000017020

Built
1969
56 years old
Condition
Fair
inspected March 2021
Type
Slab
Concrete
Length
31 ft
1 main span
Daily traffic
2,620
2024 count
Owner
State
State Highway Agency

About this bridge

SR 4028 over Colvin Run is a concrete slab carrying SR 4028 over Colvin Run in Fayette County, Pennsylvania. It was built in 1969, so it is 56 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 2,620 vehicles a day, roughly 1% of them trucks, projected to reach 3,250 by 2032. The structure is 31 ft (9.4 m) long and 46 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

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CarriesSR 4028
CrossesColvin Run
LocationRedstone Township
RouteState Highway 0
CountyFayette County
StatePennsylvania
Coordinates40.00959, -79.83581
Functional classRural Minor Arterial

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.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating85 US tons
Inventory rating51 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length31 ft (9.4 m)
Longest span30 ft (9.1 m)
Deck width46 ft (13.9 m)
Roadway width41 ft (12.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,620 (2024)
Projected traffic3,250 by 2032
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 4028 over Colvin Run built?

It was built in 1969, making it 56 years old in 2025.

What condition is SR 4028 over Colvin Run 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 March 2021.

How much traffic does SR 4028 over Colvin Run carry?

About 2,620 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is SR 4028 over Colvin Run?

The structure is 31 ft (9.4 m) long with a longest span of 30 ft (9.1 m) and a deck 46 ft wide.

Who owns SR 4028 over Colvin Run?

It is owned by the State Highway Agency.