US Bridges

CR 400 South over Iroquois River

Fair

Jasper County, Indiana · 0.50 Miles W of CR 300 W · Structure no. 3700063

Built
1977
48 years old
Condition
Fair
inspected August 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
120 ft
3 main spans
Daily traffic
207
2022 count
Owner
County
County Highway Agency

About this bridge

CR 400 South over Iroquois River is a prestressed concrete box beam or girders - multiple carrying CR 400 South over Iroquois River in Jasper County, Indiana. It was built in 1977, so it is 48 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.

It carries about 207 vehicles a day, roughly 5% of them trucks, projected to reach 295 by 2042. The structure is 120 ft (36.6 m) long and 26 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesCR 400 South
CrossesIroquois River
Location0.50 Miles W of CR 300 W
RouteCounty Highway 348
CountyJasper County
StateIndiana
Coordinates40.95544, -87.11253
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 protection7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating55.6 US tons
Inventory rating33.3 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadUnknown
Structure length120 ft (36.6 m)
Longest span42 ft (12.8 m)
Deck width26 ft (8 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic207 (2022)
Projected traffic295 by 2042
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 CR 400 South over Iroquois River built?

It was built in 1977, making it 48 years old in 2025.

What condition is CR 400 South over Iroquois 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 August 2024.

How much traffic does CR 400 South over Iroquois River carry?

About 207 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is CR 400 South over Iroquois River?

The structure is 120 ft (36.6 m) long with a longest span of 42 ft (12.8 m) and a deck 26 ft wide.

Who owns CR 400 South over Iroquois River?

It is owned by the County Highway Agency.