US Bridges

SR 0021 over SR 0040

Fair

Fayette County, Pennsylvania · South Union Township · Structure no. 000000000016545

Built
1971
54 years old, rebuilt 2016
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
374 ft
4 main spans
Daily traffic
8,394
2023 count
Owner
State
State Highway Agency

About this bridge

SR 0021 over SR 0040 is a prestressed concrete continuous stringer/multi-beam or girder carrying SR 0021 over SR 0040 in Fayette County, Pennsylvania. It was built in 1971 and reconstructed in 2016, 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 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 8,394 vehicles a day, roughly 5% of them trucks, projected to reach 13,310 by 2032. The structure is 374 ft (114 m) long and 47 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

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CarriesSR 0021
CrossesSR 0040
LocationSouth Union Township
RouteState Highway 21
CountyFayette County
StatePennsylvania
Coordinates39.90227, -79.74602
Functional classUrban Other Principal 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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating79 US tons
Inventory rating34 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length374 ft (114 m)
Longest span98 ft (29.9 m)
Deck width47 ft (14.4 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,394 (2023)
Projected traffic13,310 by 2032
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed3.7 mi (6 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$1.1 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was SR 0021 over SR 0040 built?

It was built in 1971, making it 54 years old in 2025. It was reconstructed in 2016.

What condition is SR 0021 over SR 0040 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 October 2024.

How much traffic does SR 0021 over SR 0040 carry?

About 8,394 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is SR 0021 over SR 0040?

The structure is 374 ft (114 m) long with a longest span of 98 ft (29.9 m) and a deck 47 ft wide.

Who owns SR 0021 over SR 0040?

It is owned by the State Highway Agency.