US Bridges

Lasalle Street over ST Joseph River

Fair

St. Joseph County, Indiana · 00.10 E SR 933 · Structure no. 7100047

Built
1907
118 years old, rebuilt 2006
Condition
Fair
inspected September 2024
Type
Arch - Deck
Concrete
Length
279 ft
3 main spans
Daily traffic
15,416
2021 count
Owner
County
County Highway Agency

About this bridge

Lasalle Street over ST Joseph River is a concrete arch - deck carrying Lasalle Street over ST Joseph River in St. Joseph County, Indiana. It was built in 1907 and reconstructed in 2006, so it is 118 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 15,416 vehicles a day, roughly 2% of them trucks, projected to reach 18,810 by 2041. The structure is 279 ft (85 m) long and 80 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesLasalle Street
CrossesST Joseph River
Location00.10 E SR 933
RouteCity Street 0
StateIndiana
Coordinates41.67911, -86.24916
Functional classUrban Other Principal 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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
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 spans3
Design loadHS 20
Structure length279 ft (85 m)
Longest span79 ft (24 m)
Deck width80 ft (24.5 m)
Roadway width50 ft (15.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15,416 (2021)
Projected traffic18,810 by 2041
Trucks2%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusListed on the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNavigation control on waterway (bridge permit required)

Frequently asked questions

When was Lasalle Street over ST Joseph River built?

It was built in 1907, making it 118 years old in 2025. It was reconstructed in 2006.

What condition is Lasalle Street 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 Lasalle Street over ST Joseph River carry?

About 15,416 vehicles per day (2021 count), of which roughly 2% are trucks.

How long is Lasalle Street over ST Joseph River?

The structure is 279 ft (85 m) long with a longest span of 79 ft (24 m) and a deck 80 ft wide.

Who owns Lasalle Street over ST Joseph River?

It is owned by the County Highway Agency.