US Bridges

CR 300S over Jackson Run

Fair

Boone County, Indiana · 00.60 W of CR 975 E · Structure no. 0600195

Built
1950
75 years old
Condition
Fair
inspected September 2023
Type
Culvert
Steel
Length
28 ft
2 main spans
Daily traffic
2,410
2017 count
Owner
County
County Highway Agency

About this bridge

CR 300S over Jackson Run is a steel culvert carrying CR 300S over Jackson Run in Boone County, Indiana. It was built in 1950, so it is 75 years old, older 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 2,410 vehicles a day, roughly 5% of them trucks, projected to reach 3,670 by 2037. The structure is 28 ft (8.6 m) long. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesCR 300S
CrossesJackson Run
Location00.60 W of CR 975 E
RouteCounty Highway 300
CountyBoone County
StateIndiana
Coordinates39.99798, -86.29467
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
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating35.9 US tons
Inventory rating35.9 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans2
Design loadUnknown
Structure length28 ft (8.6 m)
Longest span13 ft (3.9 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,410 (2017)
Projected traffic3,670 by 2037
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$2.2 million (2023 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was CR 300S over Jackson Run built?

It was built in 1950, making it 75 years old in 2025.

What condition is CR 300S over Jackson Run 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 September 2023.

How much traffic does CR 300S over Jackson Run carry?

About 2,410 vehicles per day (2017 count), of which roughly 5% are trucks.

How long is CR 300S over Jackson Run?

The structure is 28 ft (8.6 m) long with a longest span of 13 ft (3.9 m).

Who owns CR 300S over Jackson Run?

It is owned by the County Highway Agency.