US Bridges

CR 300W over Grassy Branch

Good

Boone County, Indiana · 0.00 S CR 625S · Structure no. 0600234

Built
2023
2 years old
Condition
Good
inspected September 2023
Type
Culvert
Concrete
Length
24 ft
1 main span
Daily traffic
50
2023 count
Owner
County
County Highway Agency

About this bridge

CR 300W over Grassy Branch is a concrete culvert carrying CR 300W over Grassy Branch in Boone County, Indiana. It was built in 2023, so it is 2 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 50 vehicles a day, roughly 7% of them trucks, projected to reach 74 by 2043. The structure is 24 ft (7.3 m) long. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesCR 300W
CrossesGrassy Branch
Location0.00 S CR 625S
RouteCounty Highway 300
CountyBoone County
StateIndiana
Coordinates39.95197, -86.51621
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
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating67.5 US tons
Inventory rating52.1 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHL 93
Structure length24 ft (7.3 m)
Longest span24 ft (7.3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2023)
Projected traffic74 by 2043
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemNo
Strategic Highway NetworkSTRAHNET connector

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 300W over Grassy Branch built?

It was built in 2023, making it 2 years old in 2025.

What condition is CR 300W over Grassy Branch 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 September 2023.

How much traffic does CR 300W over Grassy Branch carry?

About 50 vehicles per day (2023 count), of which roughly 7% are trucks.

How long is CR 300W over Grassy Branch?

The structure is 24 ft (7.3 m) long with a longest span of 24 ft (7.3 m).

Who owns CR 300W over Grassy Branch?

It is owned by the County Highway Agency.