US Bridges

CR 100 South over Upper Sulphur Creek

FairPosted for load

Orange County, Indiana · 0.10 W of CR 525 W · Structure no. 5900046

Built
1920
105 years old, rebuilt 2003
Condition
Fair
inspected May 2024
Type
Truss - Thru
Steel
Length
39 ft
1 main span
Daily traffic
350
2014 count
Owner
County
County Highway Agency

About this bridge

CR 100 South over Upper Sulphur Creek is a steel truss - thru carrying CR 100 South over Upper Sulphur Creek in Orange County, Indiana. It was built in 1920 and reconstructed in 2003, 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 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. Its operating status is: posted for load restriction.

It carries about 350 vehicles a day, roughly 5% of them trucks, projected to reach 460 by 2034. The structure is 39 ft (11.9 m) long and 18 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesCR 100 South
CrossesUpper Sulphur Creek
Location0.10 W of CR 525 W
RouteCounty Highway 30
StateIndiana
Coordinates38.54183, -86.56116
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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating23.7 US tons
Inventory rating14.2 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckOpen grating
Main spans1
Design loadUnknown
Structure length39 ft (11.9 m)
Longest span35 ft (10.6 m)
Deck width18 ft (5.4 m)
Roadway width18 ft (5.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic350 (2014)
Projected traffic460 by 2034
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 statusEligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1.1 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was CR 100 South over Upper Sulphur Creek built?

It was built in 1920, making it 105 years old in 2025. It was reconstructed in 2003.

What condition is CR 100 South over Upper 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 May 2024.

How much traffic does CR 100 South over Upper Sulphur Creek carry?

About 350 vehicles per day (2014 count), of which roughly 5% are trucks.

How long is CR 100 South over Upper Sulphur Creek?

The structure is 39 ft (11.9 m) long with a longest span of 35 ft (10.6 m) and a deck 18 ft wide.

Who owns CR 100 South over Upper Sulphur Creek?

It is owned by the County Highway Agency.