US Bridges

T369 Mill Lane over Great Trough Creek

Fair

Huntingdon County, Pennsylvania · 2 Mi.Sw.Of Cassville · Structure no. 000000000018944

Built
1988
37 years old, rebuilt 2016
Condition
Fair
inspected April 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
87 ft
1 main span
Daily traffic
79
2022 count
Owner
County
County Highway Agency

About this bridge

T369 Mill Lane over Great Trough Creek is a prestressed concrete box beam or girders - multiple carrying T369 Mill Lane over Great Trough Creek in Huntingdon County, Pennsylvania. It was built in 1988 and reconstructed in 2016, so it is 37 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 5 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 79 vehicles a day, roughly 1% of them trucks, projected to reach 101 by 2042. The structure is 87 ft (26.5 m) long and 28 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesT369 Mill Lane
CrossesGreat Trough Creek
Location2 Mi.Sw.Of Cassville
RouteCity Street 0
Coordinates40.27874, -78.07009
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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
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 rating109 US tons
Inventory rating18 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length87 ft (26.5 m)
Longest span85 ft (25.9 m)
Deck width28 ft (8.6 m)
Roadway width26 ft (7.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic79 (2022)
Projected traffic101 by 2042
Trucks1%
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was T369 Mill Lane over Great Trough Creek built?

It was built in 1988, making it 37 years old in 2025. It was reconstructed in 2016.

What condition is T369 Mill Lane over Great Trough Creek 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 April 2024.

How much traffic does T369 Mill Lane over Great Trough Creek carry?

About 79 vehicles per day (2022 count), of which roughly 1% are trucks.

How long is T369 Mill Lane over Great Trough Creek?

The structure is 87 ft (26.5 m) long with a longest span of 85 ft (25.9 m) and a deck 28 ft wide.

Who owns T369 Mill Lane over Great Trough Creek?

It is owned by the County Highway Agency.