US Bridges

SR 955 Iroquois Av over Six Mile Creek

Good

Erie County, Pennsylvania · Harborcreek Twp · Structure no. 000000000046997

Built
2010
15 years old
Condition
Good
inspected September 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
111 ft
1 main span
Daily traffic
4,668
2024 count
Owner
State
State Highway Agency

About this bridge

SR 955 Iroquois Av over Six Mile Creek is a prestressed concrete box beam or girders - multiple carrying SR 955 Iroquois Av over Six Mile Creek in Erie County, Pennsylvania. It was built in 2010, so it is 15 years old, younger than the Pennsylvania average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 4,668 vehicles a day, roughly 6% of them trucks, projected to reach 7,297 by 2032. The structure is 111 ft (33.8 m) long and 43 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesSR 955 Iroquois Av
CrossesSix Mile Creek
LocationHarborcreek Twp
RouteState Highway 955
Coordinates42.15888, -79.97867
Functional classUrban Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating74.6 US tons
Inventory rating36.4 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length111 ft (33.8 m)
Longest span109 ft (33.2 m)
Deck width43 ft (13.2 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,668 (2024)
Projected traffic7,297 by 2032
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 955 Iroquois Av over Six Mile Creek built?

It was built in 2010, making it 15 years old in 2025.

What condition is SR 955 Iroquois Av over Six Mile Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in September 2023.

How much traffic does SR 955 Iroquois Av over Six Mile Creek carry?

About 4,668 vehicles per day (2024 count), of which roughly 6% are trucks.

How long is SR 955 Iroquois Av over Six Mile Creek?

The structure is 111 ft (33.8 m) long with a longest span of 109 ft (33.2 m) and a deck 43 ft wide.

Who owns SR 955 Iroquois Av over Six Mile Creek?

It is owned by the State Highway Agency.