US Bridges

CR 1100N over Rattlesnake Creek

Fair

Carroll County, Indiana · 00.20 W of CR 850 W · Structure no. 0800086

Built
1960
65 years old
Condition
Fair
inspected May 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
41 ft
1 main span
Daily traffic
155
2011 count
Owner
County
County Highway Agency

About this bridge

CR 1100N over Rattlesnake Creek is a prestressed concrete box beam or girders - multiple carrying CR 1100N over Rattlesnake Creek in Carroll County, Indiana. It was built in 1960, so it is 65 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 155 vehicles a day, roughly 5% of them trucks, projected to reach 189 by 2031. The structure is 41 ft (12.5 m) long and 28 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

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CarriesCR 1100N
CrossesRattlesnake Creek
Location00.20 W of CR 850 W
RouteCounty Highway 76
CountyCarroll County
StateIndiana
Coordinates40.70784, -86.69137
Functional classRural Major Collector

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 inspectionMay 2023
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 rating49.6 US tons
Inventory rating27.1 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadUnknown
Structure length41 ft (12.5 m)
Longest span37 ft (11.4 m)
Deck width28 ft (8.5 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic155 (2011)
Projected traffic189 by 2031
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 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 1100N over Rattlesnake Creek built?

It was built in 1960, making it 65 years old in 2025.

What condition is CR 1100N 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 May 2023.

How much traffic does CR 1100N over Rattlesnake Creek carry?

About 155 vehicles per day (2011 count), of which roughly 5% are trucks.

How long is CR 1100N over Rattlesnake Creek?

The structure is 41 ft (12.5 m) long with a longest span of 37 ft (11.4 m) and a deck 28 ft wide.

Who owns CR 1100N over Rattlesnake Creek?

It is owned by the County Highway Agency.