US Bridges

CR 400 N over Patoka River

PoorPosted for load

Gibson County, Indiana · 00.40 W of CR 350 E · Structure no. 2600048

Built
1979
46 years old
Condition
Poor
inspected March 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
145 ft
3 main spans
Daily traffic
80
2023 count
Owner
County
County Highway Agency

About this bridge

CR 400 N over Patoka River is a steel stringer/multi-beam or girder carrying CR 400 N over Patoka River in Gibson County, Indiana. It was built in 1979, so it is 46 years old, younger than the Indiana average of 46.6 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 80 vehicles a day, roughly 18% of them trucks, projected to reach 110 by 2043. The structure is 145 ft (44.1 m) long and 19 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesCR 400 N
CrossesPatoka River
Location00.40 W of CR 350 E
RouteCounty Highway 112
StateIndiana
Coordinates38.41398, -87.50781
Functional classRural Minor Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating21.8 US tons
Inventory rating16.9 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length145 ft (44.1 m)
Longest span49 ft (14.9 m)
Deck width19 ft (5.7 m)
Roadway width19 ft (5.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic80 (2023)
Projected traffic110 by 2043
Trucks18%
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$2.2 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was CR 400 N over Patoka River built?

It was built in 1979, making it 46 years old in 2025.

What condition is CR 400 N over Patoka River in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in March 2024.

How much traffic does CR 400 N over Patoka River carry?

About 80 vehicles per day (2023 count), of which roughly 18% are trucks.

How long is CR 400 N over Patoka River?

The structure is 145 ft (44.1 m) long with a longest span of 49 ft (14.9 m) and a deck 19 ft wide.

Who owns CR 400 N over Patoka River?

It is owned by the County Highway Agency.