US Bridges

T-574 Marsh Road over Over Conneaut Outlet

PoorPosted for load

Crawford County, Pennsylvania · .6 Mi.N.Of SR-0285 · Structure no. 000000000013434

Built
1890
135 years old, rebuilt 2016
Condition
Poor
inspected April 2024
Type
Truss - Thru
Steel
Length
74 ft
1 main span
Daily traffic
250
2024 count
Owner
County
County Highway Agency

About this bridge

T-574 Marsh Road over Over Conneaut Outlet is a steel truss - thru carrying T-574 Marsh Road over Over Conneaut Outlet in Crawford County, Pennsylvania. It was built in 1890 and reconstructed in 2016, so it is 135 years old, older than the Pennsylvania average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 250 vehicles a day, roughly 1% of them trucks, projected to reach 350 by 2044. The structure is 74 ft (22.6 m) long and 14 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

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CarriesT-574 Marsh Road
CrossesOver Conneaut Outlet
Location.6 Mi.N.Of SR-0285
RouteCity Street 7210
CountyCrawford County
StatePennsylvania
Coordinates41.54094, -80.12834
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
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 inspectionApril 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating25 US tons
Inventory rating16 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckWood or timber
Main spans1
Design loadH 20
Structure length74 ft (22.6 m)
Longest span73 ft (22.3 m)
Deck width14 ft (4.3 m)
Roadway width13 ft (4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic250 (2024)
Projected traffic350 by 2044
Trucks1%
Lanes on structure1
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

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusEligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$772,000
NavigationNo navigation control on waterway

Frequently asked questions

When was T-574 Marsh Road over Over Conneaut Outlet built?

It was built in 1890, making it 135 years old in 2025. It was reconstructed in 2016.

What condition is T-574 Marsh Road over Over Conneaut Outlet in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in April 2024.

How much traffic does T-574 Marsh Road over Over Conneaut Outlet carry?

About 250 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is T-574 Marsh Road over Over Conneaut Outlet?

The structure is 74 ft (22.6 m) long with a longest span of 73 ft (22.3 m) and a deck 14 ft wide.

Who owns T-574 Marsh Road over Over Conneaut Outlet?

It is owned by the County Highway Agency.