US Bridges

CR 600 West over Trimble Creek

PoorPosted for load

Kosciusko County, Indiana · 01.00 S of CR 200 S · Structure no. 4300060

Built
1920
105 years old, rebuilt 1970
Condition
Poor
inspected March 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
50 ft
1 main span
Daily traffic
110
2022 count
Owner
County
County Highway Agency

About this bridge

CR 600 West over Trimble Creek is a prestressed concrete box beam or girders - multiple carrying CR 600 West over Trimble Creek in Kosciusko County, Indiana. It was built in 1920 and reconstructed in 1970, so it is 105 years old, older 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. Its operating status is: posted for load restriction.

It carries about 110 vehicles a day, roughly 3% of them trucks, projected to reach 175 by 2042. The structure is 50 ft (15.2 m) long and 24 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesCR 600 West
CrossesTrimble Creek
Location01.00 S of CR 200 S
RouteCounty Highway 177
StateIndiana
Coordinates41.18782, -85.95684
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2024
Inspection intervalevery 12 months
Operating statusPosted for load 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 adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating16 US tons
Inventory rating16 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length50 ft (15.2 m)
Longest span47 ft (14.4 m)
Deck width24 ft (7.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic110 (2022)
Projected traffic175 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$1.2 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was CR 600 West over Trimble Creek built?

It was built in 1920, making it 105 years old in 2025. It was reconstructed in 1970.

What condition is CR 600 West over Trimble 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 600 West over Trimble Creek carry?

About 110 vehicles per day (2022 count), of which roughly 3% are trucks.

How long is CR 600 West over Trimble Creek?

The structure is 50 ft (15.2 m) long with a longest span of 47 ft (14.4 m) and a deck 24 ft wide.

Who owns CR 600 West over Trimble Creek?

It is owned by the County Highway Agency.