US Bridges

T-357 Kennels Mill over Gladdens Run

Fair

Somerset County, Pennsylvania · 4 Mi.N.Of Wellersburg · Structure no. 000000000031898

Built
1912
113 years old, rebuilt 1999
Condition
Fair
inspected November 2022
Type
Stringer/Multi-beam or Girder
Steel
Length
25 ft
1 main span
Daily traffic
150
2024 count
Owner
County
County Highway Agency

About this bridge

T-357 Kennels Mill over Gladdens Run is a steel stringer/multi-beam or girder carrying T-357 Kennels Mill over Gladdens Run in Somerset County, Pennsylvania. It was built in 1912 and reconstructed in 1999, so it is 113 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 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 150 vehicles a day, roughly 1% of them trucks, projected to reach 188 by 2044. The structure is 25 ft (7.6 m) long and 13 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesT-357 Kennels Mill
CrossesGladdens Run
Location4 Mi.N.Of Wellersburg
RouteCity Street 0
Coordinates39.77476, -78.80866
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionNovember 2022
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating61 US tons
Inventory rating36 US tons

Structure

MaterialSteel
DeckOpen grating
Main spans1
Design loadHS 20
Structure length25 ft (7.6 m)
Longest span23 ft (7 m)
Deck width13 ft (4.1 m)
Roadway width13 ft (3.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic150 (2024)
Projected traffic188 by 2044
Trucks1%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 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$510,000
NavigationNo navigation control on waterway

Frequently asked questions

When was T-357 Kennels Mill over Gladdens Run built?

It was built in 1912, making it 113 years old in 2025. It was reconstructed in 1999.

What condition is T-357 Kennels Mill over Gladdens Run 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 2022.

How much traffic does T-357 Kennels Mill over Gladdens Run carry?

About 150 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is T-357 Kennels Mill over Gladdens Run?

The structure is 25 ft (7.6 m) long with a longest span of 23 ft (7 m) and a deck 13 ft wide.

Who owns T-357 Kennels Mill over Gladdens Run?

It is owned by the County Highway Agency.