US Bridges

CR 600 N over Sulphur Creek

FairPosted for load

Sullivan County, Indiana · 00.11 E of CR 700 E · Structure no. 7700267

Built
1935
90 years old
Condition
Fair
inspected August 2023
Type
Stringer/Multi-beam or Girder
Concrete
Length
45 ft
1 main span
Daily traffic
110
2011 count
Owner
County
County Highway Agency

About this bridge

CR 600 N over Sulphur Creek is a concrete stringer/multi-beam or girder carrying CR 600 N over Sulphur Creek in Sullivan County, Indiana. It was built in 1935, so it is 90 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 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 110 vehicles a day, roughly 2% of them trucks, projected to reach 130 by 2031. The structure is 45 ft (13.7 m) long and 21 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesCR 600 N
CrossesSulphur Creek
Location00.11 E of CR 700 E
RouteCounty Highway 68
CountySullivan County
StateIndiana
Coordinates39.1718, -87.27619
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating30 US tons
Inventory rating26.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length45 ft (13.7 m)
Longest span41 ft (12.4 m)
Deck width21 ft (6.5 m)
Roadway width18 ft (5.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic110 (2011)
Projected traffic130 by 2031
Trucks2%
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was CR 600 N over Sulphur Creek built?

It was built in 1935, making it 90 years old in 2025.

What condition is CR 600 N over Sulphur Creek 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 August 2023.

How much traffic does CR 600 N over Sulphur Creek carry?

About 110 vehicles per day (2011 count), of which roughly 2% are trucks.

How long is CR 600 N over Sulphur Creek?

The structure is 45 ft (13.7 m) long with a longest span of 41 ft (12.4 m) and a deck 21 ft wide.

Who owns CR 600 N over Sulphur Creek?

It is owned by the County Highway Agency.