US Bridges

CR 1280S over Rock Creek

Good

Decatur County, Indiana · 00.00 W of CR 300 W · Structure no. 1600200

Built
2001
24 years old
Condition
Good
inspected April 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
40 ft
1 main span
Daily traffic
30
2017 count
Owner
County
County Highway Agency

About this bridge

CR 1280S over Rock Creek is a prestressed concrete box beam or girders - multiple carrying CR 1280S over Rock Creek in Decatur County, Indiana. It was built in 2001, so it is 24 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 30 vehicles a day, roughly 5% of them trucks, projected to reach 50 by 2037. The structure is 40 ft (12.1 m) long and 24 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Location

Open in Google Maps
CarriesCR 1280S
CrossesRock Creek
Location00.00 W of CR 300 W
RouteCounty Highway 84
CountyDecatur County
StateIndiana
Coordinates39.14993, -85.53773
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 inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than 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 rating43.5 US tons
Inventory rating33.6 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadUnknown
Structure length40 ft (12.1 m)
Longest span38 ft (11.7 m)
Deck width24 ft (7.4 m)
Roadway width24 ft (7.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic30 (2017)
Projected traffic50 by 2037
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 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 1280S over Rock Creek built?

It was built in 2001, making it 24 years old in 2025.

What condition is CR 1280S 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 April 2023.

How much traffic does CR 1280S over Rock Creek carry?

About 30 vehicles per day (2017 count), of which roughly 5% are trucks.

How long is CR 1280S over Rock Creek?

The structure is 40 ft (12.1 m) long with a longest span of 38 ft (11.7 m) and a deck 24 ft wide.

Who owns CR 1280S over Rock Creek?

It is owned by the County Highway Agency.