US Bridges

CR 1100S over Rock Creek

Good

Decatur County, Indiana · 00.00 W of CR 150 W · Structure no. 1600212

Built
2019
6 years old
Condition
Good
inspected May 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
40 ft
1 main span
Daily traffic
360
2017 count
Owner
County
County Highway Agency

About this bridge

CR 1100S over Rock Creek is a prestressed concrete box beam or girders - multiple carrying CR 1100S over Rock Creek in Decatur County, Indiana. It was built in 2019, so it is 6 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 360 vehicles a day, roughly 8% of them trucks, projected to reach 570 by 2037. The structure is 40 ft (12.2 m) long and 28 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesCR 1100S
CrossesRock Creek
Location00.00 W of CR 150 W
RouteCounty Highway 152
CountyDecatur County
StateIndiana
Coordinates39.16539, -85.51312
Functional classRural Local

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 protection7 GoodSome minor problems.
Last inspectionMay 2023
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 adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating68.9 US tons
Inventory rating52.9 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHL 93
Structure length40 ft (12.2 m)
Longest span39 ft (11.8 m)
Deck width28 ft (8.5 m)
Roadway width27 ft (8.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic360 (2017)
Projected traffic570 by 2037
Trucks8%
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 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 1100S over Rock Creek built?

It was built in 2019, making it 6 years old in 2025.

What condition is CR 1100S over Rock 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 May 2023.

How much traffic does CR 1100S over Rock Creek carry?

About 360 vehicles per day (2017 count), of which roughly 8% are trucks.

How long is CR 1100S over Rock Creek?

The structure is 40 ft (12.2 m) long with a longest span of 39 ft (11.8 m) and a deck 28 ft wide.

Who owns CR 1100S over Rock Creek?

It is owned by the County Highway Agency.