US Bridges

US 231 over Rattlesnake Creek

Fair

Montgomery County, Indiana · 01.83 N SR 234 · Structure no. 016090

Built
1931
94 years old, rebuilt 1961
Condition
Fair
inspected April 2023
Type
Arch - Deck
Concrete
Length
42 ft
1 main span
Daily traffic
5,328
2021 count
Owner
State
State Highway Agency

About this bridge

US 231 over Rattlesnake Creek is a concrete arch - deck carrying US 231 over Rattlesnake Creek in Montgomery County, Indiana. It was built in 1931 and reconstructed in 1961, so it is 94 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 5,328 vehicles a day, roughly 12% of them trucks, projected to reach 10,234 by 2032. The structure is 42 ft (12.8 m) long and 44 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesUS 231
CrossesRattlesnake Creek
Location01.83 N SR 234
RouteU.S. Route 231
CountyMontgomery County
StateIndiana
Coordinates39.9507, -86.90305
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
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2023
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 adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating53.2 US tons
Inventory rating31.6 US tons

Structure

Structure typeArch - Deck
MaterialConcrete
DeckNot applicable
Main spans1
Design loadH 20
Structure length42 ft (12.8 m)
Longest span40 ft (12.1 m)
Deck width44 ft (13.3 m)
Roadway width41 ft (12.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,328 (2021)
Projected traffic10,234 by 2032
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemYes

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 1931, making it 94 years old in 2025. It was reconstructed in 1961.

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 April 2023.

How much traffic does US 231 over Rattlesnake Creek carry?

About 5,328 vehicles per day (2021 count), of which roughly 12% are trucks.

How long is US 231 over Rattlesnake Creek?

The structure is 42 ft (12.8 m) long with a longest span of 40 ft (12.1 m) and a deck 44 ft wide.

Who owns US 231 over Rattlesnake Creek?

It is owned by the State Highway Agency.