US Bridges

T-363 Herringtown over Eleven Mile Creek

Fair

Potter County, Pennsylvania · 0.12 MI from T-491 · Structure no. 000000000030463

Built
1940
85 years old, rebuilt 2021
Condition
Fair
inspected September 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
35 ft
1 main span
Daily traffic
70
2015 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

T-363 Herringtown over Eleven Mile Creek is a steel stringer/multi-beam or girder carrying T-363 Herringtown over Eleven Mile Creek in Potter County, Pennsylvania. It was built in 1940 and reconstructed in 2021, so it is 85 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 70 vehicles a day, projected to reach 88 by 2035. The structure is 35 ft (10.7 m) long and 18 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesT-363 Herringtown
CrossesEleven Mile Creek
Location0.12 MI from T-491
RouteCity Street 0
CountyPotter County
StatePennsylvania
Coordinates41.9232, -78.1116
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating85 US tons
Inventory rating51 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckWood or timber
Main spans1
Design loadHL 93
Structure length35 ft (10.7 m)
Longest span33 ft (10.1 m)
Deck width18 ft (5.5 m)
Roadway width18 ft (5.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic70 (2015)
Projected traffic88 by 2035
Trucks—
Lanes on structure2
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerTown or Township Highway Agency
Maintained byTown or Township 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$589,000
NavigationNo navigation control on waterway

Frequently asked questions

When was T-363 Herringtown over Eleven Mile Creek built?

It was built in 1940, making it 85 years old in 2025. It was reconstructed in 2021.

What condition is T-363 Herringtown over Eleven Mile 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 September 2023.

How much traffic does T-363 Herringtown over Eleven Mile Creek carry?

About 70 vehicles per day (2015 count).

How long is T-363 Herringtown over Eleven Mile Creek?

The structure is 35 ft (10.7 m) long with a longest span of 33 ft (10.1 m) and a deck 18 ft wide.

Who owns T-363 Herringtown over Eleven Mile Creek?

It is owned by the Town or Township Highway Agency.