US Bridges

CR 100S over Rock Run Creek

PoorPosted for load

Parke County, Indiana · 00.60 W of Cooke RD · Structure no. 6100056

Built
1960
65 years old, rebuilt 1999
Condition
Poor
inspected April 2024
Type
Channel Beam
Concrete
Length
28 ft
1 main span
Daily traffic
115
2018 count
Owner
County
County Highway Agency

About this bridge

CR 100S over Rock Run Creek is a concrete channel beam carrying CR 100S over Rock Run Creek in Parke County, Indiana. It was built in 1960 and reconstructed in 1999, so it is 65 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 115 vehicles a day, roughly 3% of them trucks, projected to reach 136 by 2038. The structure is 28 ft (8.5 m) long and 22 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesCR 100S
CrossesRock Run Creek
Location00.60 W of Cooke RD
RouteCounty Highway 162
StateIndiana
Coordinates39.75502, -87.28514
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.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure8 Very GoodNo problems noted.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 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 geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating58.6 US tons
Inventory rating35.1 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans1
Design loadUnknown
Structure length28 ft (8.5 m)
Longest span24 ft (7.4 m)
Deck width22 ft (6.8 m)
Roadway width20 ft (6.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic115 (2018)
Projected traffic136 by 2038
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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$952,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was CR 100S over Rock Run Creek built?

It was built in 1960, making it 65 years old in 2025. It was reconstructed in 1999.

What condition is CR 100S over Rock Run 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 April 2024.

How much traffic does CR 100S over Rock Run Creek carry?

About 115 vehicles per day (2018 count), of which roughly 3% are trucks.

How long is CR 100S over Rock Run Creek?

The structure is 28 ft (8.5 m) long with a longest span of 24 ft (7.4 m) and a deck 22 ft wide.

Who owns CR 100S over Rock Run Creek?

It is owned by the County Highway Agency.