US Bridges

US 231 over Rattlesnake Creek

Fair

Owen County, Indiana · 02.92 S SR 46 · Structure no. 023860

Built
1934
91 years old, rebuilt 2017
Condition
Fair
inspected February 2023
Type
Culvert
Concrete
Length
107 ft
2 main spans
Daily traffic
6,591
2022 count
Owner
State
State Highway Agency

About this bridge

US 231 over Rattlesnake Creek is a concrete culvert carrying US 231 over Rattlesnake Creek in Owen County, Indiana. It was built in 1934 and reconstructed in 2017, so it is 91 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 6,591 vehicles a day, roughly 12% of them trucks, projected to reach 7,065 by 2036. The structure is 107 ft (32.6 m) long and 37 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesUS 231
CrossesRattlesnake Creek
Location02.92 S SR 46
RouteU.S. Route 231
StateIndiana
Coordinates39.25934, -86.80491
Functional classRural Principal Arterial - Other

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating53.2 US tons
Inventory rating31.9 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadH 20
Structure length107 ft (32.6 m)
Longest span50 ft (15.2 m)
Deck width37 ft (11.2 m)
Roadway width35 ft (10.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,591 (2022)
Projected traffic7,065 by 2036
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkSTRAHNET connector

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was US 231 over Rattlesnake Creek built?

It was built in 1934, making it 91 years old in 2025. It was reconstructed in 2017.

What condition is US 231 over Rattlesnake Creek 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 February 2023.

How much traffic does US 231 over Rattlesnake Creek carry?

About 6,591 vehicles per day (2022 count), of which roughly 12% are trucks.

How long is US 231 over Rattlesnake Creek?

The structure is 107 ft (32.6 m) long with a longest span of 50 ft (15.2 m) and a deck 37 ft wide.

Who owns US 231 over Rattlesnake Creek?

It is owned by the State Highway Agency.