US Bridges

CR 400E over Rock Creek

Fair

Carroll County, Indiana · 00.23 S of CR 775 N · Structure no. 0800054

Built
1992
33 years old
Condition
Fair
inspected May 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
156 ft
3 main spans
Daily traffic
123
2011 count
Owner
County
County Highway Agency

About this bridge

CR 400E over Rock Creek is a prestressed concrete continuous box beam or girders - multiple carrying CR 400E over Rock Creek in Carroll County, Indiana. It was built in 1992, so it is 33 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 123 vehicles a day, roughly 5% of them trucks, projected to reach 150 by 2031. The structure is 156 ft (47.4 m) long and 24 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesCR 400E
CrossesRock Creek
Location00.23 S of CR 775 N
RouteCounty Highway 75
CountyCarroll County
StateIndiana
Coordinates40.65556, -86.44895
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
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 evaluation6: Equal to 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 alignment8: Equal to present desirable criteria
Operating rating51.7 US tons
Inventory rating25.1 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete Continuous
DeckConcrete, precast panels
Main spans3
Design loadUnknown
Structure length156 ft (47.4 m)
Longest span52 ft (15.8 m)
Deck width24 ft (7.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic123 (2011)
Projected traffic150 by 2031
Trucks5%
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 400E over Rock Creek built?

It was built in 1992, making it 33 years old in 2025.

What condition is CR 400E over Rock 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 400E over Rock Creek carry?

About 123 vehicles per day (2011 count), of which roughly 5% are trucks.

How long is CR 400E over Rock Creek?

The structure is 156 ft (47.4 m) long with a longest span of 52 ft (15.8 m) and a deck 24 ft wide.

Who owns CR 400E over Rock Creek?

It is owned by the County Highway Agency.