US Bridges

Seneca School RD over Lit Connoquenessing CR

Good

Butler County, Pennsylvania · Seneca School · Structure no. 000000000054113

Built
2017
8 years old
Condition
Good
inspected May 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
128 ft
1 main span
Daily traffic
3,244
2024 count
Owner
State
State Highway Agency

About this bridge

Seneca School RD over Lit Connoquenessing CR is a prestressed concrete stringer/multi-beam or girder carrying Seneca School RD over Lit Connoquenessing CR in Butler County, Pennsylvania. It was built in 2017, so it is 8 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 3,244 vehicles a day, roughly 31% of them trucks, projected to reach 3,446 by 2037. The structure is 128 ft (39 m) long and 50 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesSeneca School RD
CrossesLit Connoquenessing CR
LocationSeneca School
RouteState Highway 0
Coordinates40.81095, -80.10846
Functional classUrban Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating63.6 US tons
Inventory rating42.9 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length128 ft (39 m)
Longest span125 ft (38.1 m)
Deck width50 ft (15.1 m)
Roadway width48 ft (14.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,244 (2024)
Projected traffic3,446 by 2037
Trucks31%
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 byPrivate (other than railroad)
Historic statusNot eligible for the National Register of Historic Places
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Seneca School RD over Lit Connoquenessing CR built?

It was built in 2017, making it 8 years old in 2025.

What condition is Seneca School RD over Lit Connoquenessing CR 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 May 2023.

How much traffic does Seneca School RD over Lit Connoquenessing CR carry?

About 3,244 vehicles per day (2024 count), of which roughly 31% are trucks.

How long is Seneca School RD over Lit Connoquenessing CR?

The structure is 128 ft (39 m) long with a longest span of 125 ft (38.1 m) and a deck 50 ft wide.

Who owns Seneca School RD over Lit Connoquenessing CR?

It is owned by the State Highway Agency and maintained by the Private (other than railroad).