US Bridges

CR 450N over Rattlesnake Creek

FairPosted for load

Fountain County, Indiana · 00.70 W of CR 250 W · Structure no. 2300096

Built
1930
95 years old, rebuilt 2018
Condition
Fair
inspected June 2024
Type
Arch - Deck
Concrete
Length
78 ft
1 main span
Daily traffic
120
2024 count
Owner
County
County Highway Agency

About this bridge

CR 450N over Rattlesnake Creek is a concrete arch - deck carrying CR 450N over Rattlesnake Creek in Fountain County, Indiana. It was built in 1930 and reconstructed in 2018, so it is 95 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. Its operating status is: posted for load restriction.

It carries about 120 vehicles a day, roughly 6% of them trucks, projected to reach 160 by 2044. The structure is 78 ft (23.7 m) long and 20 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesCR 450N
CrossesRattlesnake Creek
Location00.70 W of CR 250 W
RouteCounty Highway 56
StateIndiana
Coordinates40.1934, -87.32357
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating16.9 US tons
Inventory rating16.9 US tons

Structure

Structure typeArch - Deck
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length78 ft (23.7 m)
Longest span46 ft (14 m)
Deck width20 ft (6 m)
Roadway width18 ft (5.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic120 (2024)
Projected traffic160 by 2044
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusEligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was CR 450N over Rattlesnake Creek built?

It was built in 1930, making it 95 years old in 2025. It was reconstructed in 2018.

What condition is CR 450N 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 June 2024.

How much traffic does CR 450N over Rattlesnake Creek carry?

About 120 vehicles per day (2024 count), of which roughly 6% are trucks.

How long is CR 450N over Rattlesnake Creek?

The structure is 78 ft (23.7 m) long with a longest span of 46 ft (14 m) and a deck 20 ft wide.

Who owns CR 450N over Rattlesnake Creek?

It is owned by the County Highway Agency.