US Bridges

CR 175 West over Patoka River

FairPosted for load

Orange County, Indiana · 0.10 N of CR 840 S · Structure no. 5900064

Built
1887
138 years old, rebuilt 1985
Condition
Fair
inspected May 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
168 ft
2 main spans
Daily traffic
120
2014 count
Owner
County
County Highway Agency

About this bridge

CR 175 West over Patoka River is a steel stringer/multi-beam or girder carrying CR 175 West over Patoka River in Orange County, Indiana. It was built in 1887 and reconstructed in 1985, so it is 138 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. Its operating status is: posted for load restriction.

It carries about 120 vehicles a day, roughly 5% of them trucks, projected to reach 170 by 2034. The structure is 168 ft (51.3 m) long and 18 ft wide. If it were closed, the detour would be 5.6 mi (9 km).

CarriesCR 175 West
CrossesPatoka River
Location0.10 N of CR 840 S
RouteCounty Highway 33
StateIndiana
Coordinates38.44212, -86.48769
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
Deck7 GoodSome minor problems.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMay 2024
Inspection intervalevery 24 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 geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating20.4 US tons
Inventory rating12.2 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans2 (+1 approach)
Design loadHS 20
Structure length168 ft (51.3 m)
Longest span77 ft (23.4 m)
Deck width18 ft (5.6 m)
Roadway width16 ft (4.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic120 (2014)
Projected traffic170 by 2034
Trucks5%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5.6 mi (9 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$1.1 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was CR 175 West over Patoka River built?

It was built in 1887, making it 138 years old in 2025. It was reconstructed in 1985.

What condition is CR 175 West over Patoka 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 May 2024.

How much traffic does CR 175 West over Patoka River carry?

About 120 vehicles per day (2014 count), of which roughly 5% are trucks.

How long is CR 175 West over Patoka River?

The structure is 168 ft (51.3 m) long with a longest span of 77 ft (23.4 m) and a deck 18 ft wide.

Who owns CR 175 West over Patoka River?

It is owned by the County Highway Agency.