US Bridges

SR1011 over Mill Creek

Fair

Jefferson County, Pennsylvania · Mill Creek NO.1 · Structure no. 000000000019689

Built
1936
89 years old, rebuilt 2005
Condition
Fair
inspected April 2024
Type
Channel Beam
Concrete
Length
30 ft
1 main span
Daily traffic
321
2024 count
Owner
State
State Highway Agency

About this bridge

SR1011 over Mill Creek is a concrete channel beam carrying SR1011 over Mill Creek in Jefferson County, Pennsylvania. It was built in 1936 and reconstructed in 2005, so it is 89 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 321 vehicles a day, roughly 10% of them trucks, projected to reach 334 by 2032. The structure is 30 ft (9.1 m) long and 30 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesSR1011
CrossesMill Creek
LocationMill Creek NO.1
RouteState Highway 0
Coordinates41.25137, -78.83837
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.
Substructure7 GoodSome minor problems.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionApril 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 geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating75 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length30 ft (9.1 m)
Longest span28 ft (8.5 m)
Deck width30 ft (9.2 m)
Roadway width28 ft (8.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic321 (2024)
Projected traffic334 by 2032
Trucks10%
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was SR1011 over Mill Creek built?

It was built in 1936, making it 89 years old in 2025. It was reconstructed in 2005.

What condition is SR1011 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 April 2024.

How much traffic does SR1011 over Mill Creek carry?

About 321 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is SR1011 over Mill Creek?

The structure is 30 ft (9.1 m) long with a longest span of 28 ft (8.5 m) and a deck 30 ft wide.

Who owns SR1011 over Mill Creek?

It is owned by the State Highway Agency.