US Bridges

T-415 Old Route 68 over Connoquenessing CR

Fair

Butler County, Pennsylvania · 1.1 MI SW of SR 0068 · Structure no. 000000000008231

Built
2001
24 years old
Condition
Fair
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
155 ft
1 main span
Daily traffic
250
2015 count
Owner
County
County Highway Agency

About this bridge

T-415 Old Route 68 over Connoquenessing CR is a steel stringer/multi-beam or girder carrying T-415 Old Route 68 over Connoquenessing CR in Butler County, Pennsylvania. It was built in 2001, so it is 24 years old, younger 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 250 vehicles a day, roughly 9% of them trucks, projected to reach 350 by 2035. The structure is 155 ft (47.2 m) long and 32 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesT-415 Old Route 68
CrossesConnoquenessing CR
Location1.1 MI SW of SR 0068
RouteCity Street 0
CountyButler County
StatePennsylvania
Coordinates40.79888, -80.02586
Functional classRural 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 inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating81 US tons
Inventory rating48 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length155 ft (47.2 m)
Longest span150 ft (45.7 m)
Deck width32 ft (9.7 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic250 (2015)
Projected traffic350 by 2035
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$545,000
NavigationNo navigation control on waterway

Frequently asked questions

When was T-415 Old Route 68 over Connoquenessing CR built?

It was built in 2001, making it 24 years old in 2025.

What condition is T-415 Old Route 68 over Connoquenessing CR 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 August 2023.

How much traffic does T-415 Old Route 68 over Connoquenessing CR carry?

About 250 vehicles per day (2015 count), of which roughly 9% are trucks.

How long is T-415 Old Route 68 over Connoquenessing CR?

The structure is 155 ft (47.2 m) long with a longest span of 150 ft (45.7 m) and a deck 32 ft wide.

Who owns T-415 Old Route 68 over Connoquenessing CR?

It is owned by the County Highway Agency.