US Bridges

SR1001 over Mill Creek

Fair

Clarion County, Pennsylvania · Stroup · Structure no. 000000000010999

Built
1968
57 years old, rebuilt 2009
Condition
Fair
inspected March 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
92 ft
1 main span
Daily traffic
518
2024 count
Owner
State
State Highway Agency

About this bridge

SR1001 over Mill Creek is a prestressed concrete box beam or girders - multiple carrying SR1001 over Mill Creek in Clarion County, Pennsylvania. It was built in 1968 and reconstructed in 2009, so it is 57 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 518 vehicles a day, roughly 4% of them trucks, projected to reach 679 by 2032. The structure is 92 ft (28 m) long and 33 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesSR1001
CrossesMill Creek
LocationStroup
RouteState Highway 0
Coordinates41.2371, -79.28595
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating31 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length92 ft (28 m)
Longest span90 ft (27.4 m)
Deck width33 ft (10.2 m)
Roadway width28 ft (8.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic518 (2024)
Projected traffic679 by 2032
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$907,000
NavigationNo navigation control on waterway

Frequently asked questions

When was SR1001 over Mill Creek built?

It was built in 1968, making it 57 years old in 2025. It was reconstructed in 2009.

What condition is SR1001 over Mill 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 March 2024.

How much traffic does SR1001 over Mill Creek carry?

About 518 vehicles per day (2024 count), of which roughly 4% are trucks.

How long is SR1001 over Mill Creek?

The structure is 92 ft (28 m) long with a longest span of 90 ft (27.4 m) and a deck 33 ft wide.

Who owns SR1001 over Mill Creek?

It is owned by the State Highway Agency.