US Bridges

Darden RD over St. Joseph River

Fair

St. Joseph County, Indiana · 00.10 E of Riverside DR · Structure no. 7100120

Built
1998
27 years old
Condition
Fair
inspected September 2024
Type
Tee Beam
Prestressed Concrete Continuous
Length
429 ft
4 main spans
Daily traffic
4,665
2021 count
Owner
County
County Highway Agency

About this bridge

Darden RD over St. Joseph River is a prestressed concrete continuous tee beam carrying Darden RD over St. Joseph River in St. Joseph County, Indiana. It was built in 1998, so it is 27 years old, younger 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 4,665 vehicles a day, roughly 5% of them trucks, projected to reach 5,692 by 2041. The structure is 429 ft (130.9 m) long and 40 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesDarden RD
CrossesSt. Joseph River
Location00.10 E of Riverside DR
RouteCity Street 0
StateIndiana
Coordinates41.73069, -86.26926
Functional classUrban 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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to 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 rating68.3 US tons
Inventory rating30.5 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length429 ft (130.9 m)
Longest span107 ft (32.6 m)
Deck width40 ft (12.1 m)
Roadway width37 ft (11.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,665 (2021)
Projected traffic5,692 by 2041
Trucks5%
Lanes on structure2
Traffic directionTwo-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 statusNot eligible 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 Darden RD over St. Joseph River built?

It was built in 1998, making it 27 years old in 2025.

What condition is Darden RD 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 Darden RD over St. Joseph River carry?

About 4,665 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is Darden RD over St. Joseph River?

The structure is 429 ft (130.9 m) long with a longest span of 107 ft (32.6 m) and a deck 40 ft wide.

Who owns Darden RD over St. Joseph River?

It is owned by the County Highway Agency.