US Bridges

Logan ST over ST Joseph River

Fair

St. Joseph County, Indiana · 00.10 N of SR 933 · Structure no. 7100051

Built
1925
100 years old, rebuilt 2006
Condition
Fair
inspected September 2024
Type
Arch - Deck
Concrete
Length
464 ft
4 main spans
Daily traffic
11,876
2022 count
Owner
County
County Highway Agency

About this bridge

Logan ST over ST Joseph River is a concrete arch - deck carrying Logan ST over ST Joseph River in St. Joseph County, Indiana. It was built in 1925 and reconstructed in 2006, so it is 100 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 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 11,876 vehicles a day, roughly 2% of them trucks, projected to reach 14,491 by 2042. The structure is 464 ft (141.4 m) long and 63 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesLogan ST
CrossesST Joseph River
Location00.10 N of SR 933
RouteCity Street 0
CountySt. Joseph County
StateIndiana
Coordinates41.66056, -86.19644
Functional classUrban Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating35.9 US tons
Inventory rating35.9 US tons

Structure

Structure typeArch - Deck
MaterialConcrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length464 ft (141.4 m)
Longest span100 ft (30.4 m)
Deck width63 ft (19.1 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,876 (2022)
Projected traffic14,491 by 2042
Trucks2%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
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—
NavigationNavigation control on waterway (bridge permit required)

Frequently asked questions

When was Logan ST over ST Joseph River built?

It was built in 1925, making it 100 years old in 2025. It was reconstructed in 2006.

What condition is Logan ST over ST Joseph 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 September 2024.

How much traffic does Logan ST over ST Joseph River carry?

About 11,876 vehicles per day (2022 count), of which roughly 2% are trucks.

How long is Logan ST over ST Joseph River?

The structure is 464 ft (141.4 m) long with a longest span of 100 ft (30.4 m) and a deck 63 ft wide.

Who owns Logan ST over ST Joseph River?

It is owned by the County Highway Agency.