US Bridges

CR 300 South over Grassy Fork

Fair

Jackson County, Indiana · 0.54 W of CR 750 E · Structure no. 3600082

Built
1984
41 years old
Condition
Fair
inspected April 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
54 ft
1 main span
Daily traffic
30
2013 count
Owner
County
County Highway Agency

About this bridge

CR 300 South over Grassy Fork is a prestressed concrete box beam or girders - multiple carrying CR 300 South over Grassy Fork in Jackson County, Indiana. It was built in 1984, so it is 41 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 5 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 30 vehicles a day, roughly 5% of them trucks, projected to reach 40 by 2033. The structure is 54 ft (16.4 m) long and 24 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesCR 300 South
CrossesGrassy Fork
Location0.54 W of CR 750 E
RouteCounty Highway 18
CountyJackson County
StateIndiana
Coordinates38.83694, -85.91116
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
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 rating54 US tons
Inventory rating32.3 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadUnknown
Structure length54 ft (16.4 m)
Longest span48 ft (14.7 m)
Deck width24 ft (7.3 m)
Roadway width23 ft (7.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic30 (2013)
Projected traffic40 by 2033
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 300 South over Grassy Fork built?

It was built in 1984, making it 41 years old in 2025.

What condition is CR 300 South over Grassy Fork 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 April 2023.

How much traffic does CR 300 South over Grassy Fork carry?

About 30 vehicles per day (2013 count), of which roughly 5% are trucks.

How long is CR 300 South over Grassy Fork?

The structure is 54 ft (16.4 m) long with a longest span of 48 ft (14.7 m) and a deck 24 ft wide.

Who owns CR 300 South over Grassy Fork?

It is owned by the County Highway Agency.