US Bridges

T-360 Welsh RD over Little Connoquen CR

Fair

Butler County, Pennsylvania · 0.75 Mi. N of SR 3030 · Structure no. 000000000008214

Built
1901
124 years old, rebuilt 1998
Condition
Fair
inspected March 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
56 ft
1 main span
Daily traffic
100
2018 count
Owner
County
County Highway Agency

About this bridge

T-360 Welsh RD over Little Connoquen CR is a steel stringer/multi-beam or girder carrying T-360 Welsh RD over Little Connoquen CR in Butler County, Pennsylvania. It was built in 1901 and reconstructed in 1998, so it is 124 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 100 vehicles a day, roughly 9% of them trucks, projected to reach 150 by 2038. The structure is 56 ft (17.1 m) long and 20 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesT-360 Welsh RD
CrossesLittle Connoquen CR
Location0.75 Mi. N of SR 3030
RouteCity Street 0
CountyButler County
StatePennsylvania
Coordinates40.8267, -80.02999
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating63.1 US tons
Inventory rating37 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length56 ft (17.1 m)
Longest span51 ft (15.5 m)
Deck width20 ft (6 m)
Roadway width19 ft (5.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2018)
Projected traffic150 by 2038
Trucks9%
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$373,000
NavigationNo navigation control on waterway

Frequently asked questions

When was T-360 Welsh RD over Little Connoquen CR built?

It was built in 1901, making it 124 years old in 2025. It was reconstructed in 1998.

What condition is T-360 Welsh RD over Little Connoquen 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 March 2024.

How much traffic does T-360 Welsh RD over Little Connoquen CR carry?

About 100 vehicles per day (2018 count), of which roughly 9% are trucks.

How long is T-360 Welsh RD over Little Connoquen CR?

The structure is 56 ft (17.1 m) long with a longest span of 51 ft (15.5 m) and a deck 20 ft wide.

Who owns T-360 Welsh RD over Little Connoquen CR?

It is owned by the County Highway Agency.