US Bridges

SR4027 over Deer Creek

Fair

Clarion County, Pennsylvania · Knightown RD · Structure no. 000000000011091

Built
1950
75 years old, rebuilt 2003
Condition
Fair
inspected February 2023
Type
Channel Beam
Concrete
Length
27 ft
1 main span
Daily traffic
35
2024 count
Owner
State
State Highway Agency

About this bridge

SR4027 over Deer Creek is a concrete channel beam carrying SR4027 over Deer Creek in Clarion County, Pennsylvania. It was built in 1950 and reconstructed in 2003, so it is 75 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 35 vehicles a day, roughly 3% of them trucks, projected to reach 112 by 2032. The structure is 27 ft (8.2 m) long and 27 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesSR4027
CrossesDeer Creek
LocationKnightown RD
RouteState Highway 0
Coordinates41.28239, -79.49481
Functional classRural Local

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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating92 US tons
Inventory rating55 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 25 or greater
Structure length27 ft (8.2 m)
Longest span25 ft (7.6 m)
Deck width27 ft (8.2 m)
Roadway width25 ft (7.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic35 (2024)
Projected traffic112 by 2032
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 SR4027 over Deer Creek built?

It was built in 1950, making it 75 years old in 2025. It was reconstructed in 2003.

What condition is SR4027 over Deer 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 SR4027 over Deer Creek carry?

About 35 vehicles per day (2024 count), of which roughly 3% are trucks.

How long is SR4027 over Deer Creek?

The structure is 27 ft (8.2 m) long with a longest span of 25 ft (7.6 m) and a deck 27 ft wide.

Who owns SR4027 over Deer Creek?

It is owned by the State Highway Agency.