US Bridges

CR 600 West over Four Mile Creek

PoorPosted for load

Greene County, Indiana · 0.30 N of CR 100 S · Structure no. 2800135

Built
1905
120 years old
Condition
Poor
inspected July 2024
Type
Truss - Thru
Steel
Length
85 ft
1 main span
Daily traffic
95
2020 count
Owner
County
County Highway Agency

About this bridge

CR 600 West over Four Mile Creek is a steel truss - thru carrying CR 600 West over Four Mile Creek in Greene County, Indiana. It was built in 1905, so it is 120 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 3 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 95 vehicles a day, roughly 2% of them trucks, projected to reach 124 by 2040. The structure is 85 ft (25.8 m) long and 16 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesCR 600 West
CrossesFour Mile Creek
Location0.30 N of CR 100 S
RouteCounty Highway 9
StateIndiana
Coordinates39.01361, -87.05339
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
Deck3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 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 geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating35.8 US tons
Inventory rating21.4 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length85 ft (25.8 m)
Longest span84 ft (25.6 m)
Deck width16 ft (4.9 m)
Roadway width15 ft (4.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic95 (2020)
Projected traffic124 by 2040
Trucks2%
Lanes on structure1
Traffic directionOne-lane bridge for two-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 statusEligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$1 million (2023 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was CR 600 West over Four Mile Creek built?

It was built in 1905, making it 120 years old in 2025.

What condition is CR 600 West over Four Mile 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 July 2024.

How much traffic does CR 600 West over Four Mile Creek carry?

About 95 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is CR 600 West over Four Mile Creek?

The structure is 85 ft (25.8 m) long with a longest span of 84 ft (25.6 m) and a deck 16 ft wide.

Who owns CR 600 West over Four Mile Creek?

It is owned by the County Highway Agency.