US Bridges

CR 500S over Rattlesnake Creek

Good

Montgomery County, Indiana · 00.10 E of SR 47 · Structure no. 5400097

Built
1989
36 years old
Condition
Good
inspected April 2024
Type
Slab
Concrete Continuous
Length
87 ft
3 main spans
Daily traffic
130
2024 count
Owner
County
County Highway Agency

About this bridge

CR 500S over Rattlesnake Creek is a concrete continuous slab carrying CR 500S over Rattlesnake Creek in Montgomery County, Indiana. It was built in 1989, so it is 36 years old, younger than the Indiana average of 46.6 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 130 vehicles a day, roughly 10% of them trucks, projected to reach 180 by 2042. The structure is 87 ft (26.6 m) long and 26 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesCR 500S
CrossesRattlesnake Creek
Location00.10 E of SR 47
RouteCounty Highway 128
StateIndiana
Coordinates39.96693, -86.93758
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
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 evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating69.1 US tons
Inventory rating41.3 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length87 ft (26.6 m)
Longest span32 ft (9.7 m)
Deck width26 ft (8 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic130 (2024)
Projected traffic180 by 2042
Trucks10%
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 500S over Rattlesnake Creek built?

It was built in 1989, making it 36 years old in 2025.

What condition is CR 500S over Rattlesnake Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in April 2024.

How much traffic does CR 500S over Rattlesnake Creek carry?

About 130 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is CR 500S over Rattlesnake Creek?

The structure is 87 ft (26.6 m) long with a longest span of 32 ft (9.7 m) and a deck 26 ft wide.

Who owns CR 500S over Rattlesnake Creek?

It is owned by the County Highway Agency.