US Bridges

CR 100W over Rattlesnake Creek

Fair

Montgomery County, Indiana · 00.70 N of CR 600 S · Structure no. 5400098

Built
1981
44 years old
Condition
Fair
inspected April 2024
Type
Slab
Concrete Continuous
Length
81 ft
3 main spans
Daily traffic
130
2024 count
Owner
County
County Highway Agency

About this bridge

CR 100W over Rattlesnake Creek is a concrete continuous slab carrying CR 100W over Rattlesnake Creek in Montgomery County, Indiana. It was built in 1981, so it is 44 years old, younger 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 130 vehicles a day, roughly 5% of them trucks, projected to reach 180 by 2042. The structure is 81 ft (24.8 m) long and 27 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesCR 100W
CrossesRattlesnake Creek
Location00.70 N of CR 600 S
RouteCounty Highway 353
StateIndiana
Coordinates39.96198, -86.92146
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating79.1 US tons
Inventory rating47.5 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length81 ft (24.8 m)
Longest span32 ft (9.7 m)
Deck width27 ft (8.1 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic130 (2024)
Projected traffic180 by 2042
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was CR 100W over Rattlesnake Creek built?

It was built in 1981, making it 44 years old in 2025.

What condition is CR 100W 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 2024.

How much traffic does CR 100W over Rattlesnake Creek carry?

About 130 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is CR 100W over Rattlesnake Creek?

The structure is 81 ft (24.8 m) long with a longest span of 32 ft (9.7 m) and a deck 27 ft wide.

Who owns CR 100W over Rattlesnake Creek?

It is owned by the County Highway Agency.