US Bridges

T-323 Evergrn Mill over Littl Connoquenessing CR

Fair

Butler County, Pennsylvania · 0.25 MI NW SR 3027 · Structure no. 000000000046853

Built
2011
14 years old
Condition
Fair
inspected November 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
93 ft
1 main span
Daily traffic
750
2015 count
Owner
County
County Highway Agency

About this bridge

T-323 Evergrn Mill over Littl Connoquenessing CR is a prestressed concrete box beam or girders - multiple carrying T-323 Evergrn Mill over Littl Connoquenessing CR in Butler County, Pennsylvania. It was built in 2011, so it is 14 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 750 vehicles a day, projected to reach 775 by 2035. The structure is 93 ft (28.3 m) long and 33 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesT-323 Evergrn Mill
CrossesLittl Connoquenessing CR
Location0.25 MI NW SR 3027
RouteCity Street 0
Coordinates40.8015, -80.1047
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 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 adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating80 US tons
Inventory rating42.5 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length93 ft (28.3 m)
Longest span92 ft (28 m)
Deck width33 ft (10.2 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic750 (2015)
Projected traffic775 by 2035
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was T-323 Evergrn Mill over Littl Connoquenessing CR built?

It was built in 2011, making it 14 years old in 2025.

What condition is T-323 Evergrn Mill over Littl 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 November 2023.

How much traffic does T-323 Evergrn Mill over Littl Connoquenessing CR carry?

About 750 vehicles per day (2015 count).

How long is T-323 Evergrn Mill over Littl Connoquenessing CR?

The structure is 93 ft (28.3 m) long with a longest span of 92 ft (28 m) and a deck 33 ft wide.

Who owns T-323 Evergrn Mill over Littl Connoquenessing CR?

It is owned by the County Highway Agency.