US Bridges

CR 300S over Walnut Creek

Poor

Kosciusko County, Indiana · 00.60 E of SR 15 · Structure no. 4300215

Built
1985
40 years old
Condition
Poor
inspected March 2024
Type
Culvert
Steel
Length
37 ft
3 main spans
Daily traffic
150
2022 count
Owner
County
County Highway Agency

About this bridge

CR 300S over Walnut Creek is a steel culvert carrying CR 300S over Walnut Creek in Kosciusko County, Indiana. It was built in 1985, so it is 40 years old, younger than the Indiana average of 46.6 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 150 vehicles a day, roughly 3% of them trucks, projected to reach 275 by 2042. The structure is 37 ft (11.3 m) long and 60 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesCR 300S
CrossesWalnut Creek
Location00.60 E of SR 15
RouteCounty Highway 46
CountyKosciusko County
StateIndiana
Coordinates41.19037, -85.86178
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionMarch 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating43.5 US tons
Inventory rating33.2 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans3
Design loadHS 20
Structure length37 ft (11.3 m)
Longest span13 ft (4.1 m)
Deck width60 ft (18.2 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic150 (2022)
Projected traffic275 by 2042
Trucks3%
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$400,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was CR 300S over Walnut Creek built?

It was built in 1985, making it 40 years old in 2025.

What condition is CR 300S over Walnut Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in March 2024.

How much traffic does CR 300S over Walnut Creek carry?

About 150 vehicles per day (2022 count), of which roughly 3% are trucks.

How long is CR 300S over Walnut Creek?

The structure is 37 ft (11.3 m) long with a longest span of 13 ft (4.1 m) and a deck 60 ft wide.

Who owns CR 300S over Walnut Creek?

It is owned by the County Highway Agency.