US Bridges

SR1021 over Buffalo Run

Fair

Butler County, Pennsylvania · Rattigan NO.2 · Structure no. 000000000008014

Built
1965
60 years old
Condition
Fair
inspected November 2022
Type
Culvert
Concrete
Length
28 ft
1 main span
Daily traffic
360
2024 count
Owner
State
State Highway Agency

About this bridge

SR1021 over Buffalo Run is a concrete culvert carrying SR1021 over Buffalo Run in Butler County, Pennsylvania. It was built in 1965, so it is 60 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 5 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 360 vehicles a day, roughly 3% of them trucks, projected to reach 375 by 2032. The structure is 28 ft (8.5 m) long. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesSR1021
CrossesBuffalo Run
LocationRattigan NO.2
RouteState Highway 0
CountyButler County
StatePennsylvania
Coordinates40.91243, -79.70276
Functional classRural Minor Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionNovember 2022
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating54 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length28 ft (8.5 m)
Longest span28 ft (8.5 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic360 (2024)
Projected traffic375 by 2032
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 SR1021 over Buffalo Run built?

It was built in 1965, making it 60 years old in 2025.

What condition is SR1021 over Buffalo 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 November 2022.

How much traffic does SR1021 over Buffalo Run carry?

About 360 vehicles per day (2024 count), of which roughly 3% are trucks.

How long is SR1021 over Buffalo Run?

The structure is 28 ft (8.5 m) long with a longest span of 28 ft (8.5 m).

Who owns SR1021 over Buffalo Run?

It is owned by the State Highway Agency.