US Bridges

SR 3011 Knapp Road over Over Conneaut Creek W Br

Fair

Erie County, Pennsylvania · Conneaut Township · Structure no. 000000000016312

Built
1952
73 years old
Condition
Fair
inspected April 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
76 ft
1 main span
Daily traffic
417
2024 count
Owner
State
State Highway Agency

About this bridge

SR 3011 Knapp Road over Over Conneaut Creek W Br is a steel stringer/multi-beam or girder carrying SR 3011 Knapp Road over Over Conneaut Creek W Br in Erie County, Pennsylvania. It was built in 1952, so it is 73 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 417 vehicles a day, roughly 5% of them trucks, projected to reach 412 by 2032. The structure is 76 ft (23.2 m) long and 27 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesSR 3011 Knapp Road
CrossesOver Conneaut Creek W Br
LocationConneaut Township
RouteState Highway 0
CountyErie County
StatePennsylvania
Coordinates41.87017, -80.40913
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 inspectionApril 2024
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 geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating47 US tons
Inventory rating28 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckClosed grating
Main spans1
Design loadH 15
Structure length76 ft (23.2 m)
Longest span73 ft (22.3 m)
Deck width27 ft (8.2 m)
Roadway width24 ft (7.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic417 (2024)
Projected traffic412 by 2032
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 SR 3011 Knapp Road over Over Conneaut Creek W Br built?

It was built in 1952, making it 73 years old in 2025.

What condition is SR 3011 Knapp Road over Over Conneaut Creek W Br 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 SR 3011 Knapp Road over Over Conneaut Creek W Br carry?

About 417 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is SR 3011 Knapp Road over Over Conneaut Creek W Br?

The structure is 76 ft (23.2 m) long with a longest span of 73 ft (22.3 m) and a deck 27 ft wide.

Who owns SR 3011 Knapp Road over Over Conneaut Creek W Br?

It is owned by the State Highway Agency.