US Bridges

Marion Center RD over ST Marys River

FairPosted for load

Allen County, Indiana · 00.60 N Winchester · Structure no. 0200216

Built
1895
130 years old, rebuilt 2005
Condition
Fair
inspected May 2024
Type
Truss - Thru
Aluminum, Wrought Iron, or Cast Iron
Length
177 ft
1 main span
Daily traffic
150
2022 count
Owner
County
County Highway Agency

About this bridge

Marion Center RD over ST Marys River is a aluminum, wrought iron, or cast iron truss - thru carrying Marion Center RD over ST Marys River in Allen County, Indiana. It was built in 1895 and reconstructed in 2005, so it is 130 years old, older than the Indiana average of 46.6 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. Its operating status is: posted for load restriction.

It carries about 150 vehicles a day, roughly 3% of them trucks, projected to reach 200 by 2042. The structure is 177 ft (53.9 m) long and 15 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesMarion Center RD
CrossesST Marys River
Location00.60 N Winchester
RouteCounty Highway 0
StateIndiana
Coordinates40.92982, -85.05534
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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusPosted for load 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 geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating41.2 US tons
Inventory rating24.7 US tons

Structure

Structure typeTruss - Thru
MaterialAluminum, Wrought Iron, or Cast Iron
DeckWood or timber
Main spans1
Design loadUnknown
Structure length177 ft (53.9 m)
Longest span175 ft (53.3 m)
Deck width15 ft (4.7 m)
Roadway width15 ft (4.7 m)
Vertical clearance over deck21 ft (6.3 m)

Traffic and service

Average daily traffic150 (2022)
Projected traffic200 by 2042
Trucks3%
Lanes on structure1
Traffic directionOne-lane bridge for two-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 statusEligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Marion Center RD over ST Marys River built?

It was built in 1895, making it 130 years old in 2025. It was reconstructed in 2005.

What condition is Marion Center RD over ST Marys River 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 May 2024.

How much traffic does Marion Center RD over ST Marys River carry?

About 150 vehicles per day (2022 count), of which roughly 3% are trucks.

How long is Marion Center RD over ST Marys River?

The structure is 177 ft (53.9 m) long with a longest span of 175 ft (53.3 m) and a deck 15 ft wide.

Who owns Marion Center RD over ST Marys River?

It is owned by the County Highway Agency.