US Bridges

North Sixth Avenue over Sullivan Run

Fair

Butler County, Pennsylvania · Btwn Pine & W Penn Sts · Structure no. 000000000008308

Built
1934
91 years old, rebuilt 2013
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
31 ft
1 main span
Daily traffic
300
2015 count
Owner
City
City or Municipal Highway Agency

About this bridge

North Sixth Avenue over Sullivan Run is a steel stringer/multi-beam or girder carrying North Sixth Avenue over Sullivan Run in Butler County, Pennsylvania. It was built in 1934 and reconstructed in 2013, so it is 91 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 300 vehicles a day, roughly 9% of them trucks, projected to reach 420 by 2035. The structure is 31 ft (9.4 m) long and 37 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesNorth Sixth Avenue
CrossesSullivan Run
LocationBtwn Pine & W Penn Sts
RouteCity Street 0
CountyButler County
StatePennsylvania
Coordinates40.86563, -79.90898
Functional classUrban 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.
Superstructure8 Very GoodNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating42 US tons
Inventory rating32 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length31 ft (9.4 m)
Longest span27 ft (8.2 m)
Deck width37 ft (11.4 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic300 (2015)
Projected traffic420 by 2035
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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$476,000
NavigationNo navigation control on waterway

Frequently asked questions

When was North Sixth Avenue over Sullivan Run built?

It was built in 1934, making it 91 years old in 2025. It was reconstructed in 2013.

What condition is North Sixth Avenue over Sullivan Run 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 October 2023.

How much traffic does North Sixth Avenue over Sullivan Run carry?

About 300 vehicles per day (2015 count), of which roughly 9% are trucks.

How long is North Sixth Avenue over Sullivan Run?

The structure is 31 ft (9.4 m) long with a longest span of 27 ft (8.2 m) and a deck 37 ft wide.

Who owns North Sixth Avenue over Sullivan Run?

It is owned by the City or Municipal Highway Agency.