US Bridges

CR 300E over Rock Creek

Good

Carroll County, Indiana · 00.06 S of CR 775 N · Structure no. 0800073

Built
2001
24 years old
Condition
Good
inspected May 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
150 ft
3 main spans
Daily traffic
75
2011 count
Owner
County
County Highway Agency

About this bridge

CR 300E over Rock Creek is a prestressed concrete box beam or girders - multiple carrying CR 300E over Rock Creek in Carroll 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 75 vehicles a day, roughly 5% of them trucks, projected to reach 91 by 2031. The structure is 150 ft (45.7 m) long and 24 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesCR 300E
CrossesRock Creek
Location00.06 S of CR 775 N
RouteCounty Highway 300
StateIndiana
Coordinates40.65731, -86.46786
Functional classRural Minor 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.
Substructure8 Very GoodNo problems noted.
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 adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating74.4 US tons
Inventory rating44.5 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20 + Mod
Structure length150 ft (45.7 m)
Longest span49 ft (14.9 m)
Deck width24 ft (7.3 m)
Roadway width24 ft (7.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic75 (2011)
Projected traffic91 by 2031
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 300E over Rock Creek built?

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

What condition is CR 300E 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 300E over Rock Creek carry?

About 75 vehicles per day (2011 count), of which roughly 5% are trucks.

How long is CR 300E over Rock Creek?

The structure is 150 ft (45.7 m) long with a longest span of 49 ft (14.9 m) and a deck 24 ft wide.

Who owns CR 300E over Rock Creek?

It is owned by the County Highway Agency.