US Bridges

SR2012 over Thorn Creek

Fair

Butler County, Pennsylvania · Fraziers Mill NO.1 · Structure no. 000000000008042

Built
1942
83 years old
Condition
Fair
inspected February 2023
Type
Tee Beam
Concrete
Length
47 ft
1 main span
Daily traffic
4,448
2023 count
Owner
State
State Highway Agency

About this bridge

SR2012 over Thorn Creek is a concrete tee beam carrying SR2012 over Thorn Creek in Butler County, Pennsylvania. It was built in 1942, so it is 83 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 4,448 vehicles a day, roughly 3% of them trucks, projected to reach 4,343 by 2032. The structure is 47 ft (14.3 m) long and 28 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesSR2012
CrossesThorn Creek
LocationFraziers Mill NO.1
RouteState Highway 0
CountyButler County
StatePennsylvania
Coordinates40.75317, -79.85519
Functional classUrban 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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating45 US tons
Inventory rating27 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length47 ft (14.3 m)
Longest span45 ft (13.7 m)
Deck width28 ft (8.4 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,448 (2023)
Projected traffic4,343 by 2032
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$123,000
NavigationNo navigation control on waterway

Frequently asked questions

When was SR2012 over Thorn Creek built?

It was built in 1942, making it 83 years old in 2025.

What condition is SR2012 over Thorn Creek 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 February 2023.

How much traffic does SR2012 over Thorn Creek carry?

About 4,448 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is SR2012 over Thorn Creek?

The structure is 47 ft (14.3 m) long with a longest span of 45 ft (13.7 m) and a deck 28 ft wide.

Who owns SR2012 over Thorn Creek?

It is owned by the State Highway Agency.