US Bridges

T-304 Old RTE 86 over Little Conneauttee Creek

Fair

Erie County, Pennsylvania · 3/4 Mile South of 3022 · Structure no. 000000000016355

Built
1958
67 years old
Condition
Fair
inspected July 2023
Type
Culvert
Concrete
Length
20 ft
1 main span
Daily traffic
376
2013 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

T-304 Old RTE 86 over Little Conneauttee Creek is a concrete culvert carrying T-304 Old RTE 86 over Little Conneauttee Creek in Erie County, Pennsylvania. It was built in 1958, so it is 67 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 376 vehicles a day, roughly 3% of them trucks, projected to reach 408 by 2033. The structure is 20 ft (6.1 m) long. If it were closed, the detour would be 3.7 mi (6 km).

CarriesT-304 Old RTE 86
CrossesLittle Conneauttee Creek
Location3/4 Mile South of 3022
RouteCity Street 0
Coordinates41.85311, -80.05344
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
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating54 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length20 ft (6.1 m)
Longest span20 ft (6.1 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic376 (2013)
Projected traffic408 by 2033
Trucks3%
Lanes on structure2
Traffic directionTwo-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 statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was T-304 Old RTE 86 over Little Conneauttee Creek built?

It was built in 1958, making it 67 years old in 2025.

What condition is T-304 Old RTE 86 over Little Conneauttee 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 July 2023.

How much traffic does T-304 Old RTE 86 over Little Conneauttee Creek carry?

About 376 vehicles per day (2013 count), of which roughly 3% are trucks.

How long is T-304 Old RTE 86 over Little Conneauttee Creek?

The structure is 20 ft (6.1 m) long with a longest span of 20 ft (6.1 m).

Who owns T-304 Old RTE 86 over Little Conneauttee Creek?

It is owned by the Town or Township Highway Agency.