US Bridges

CR 100S over Big Monon Ditch

Fair

Pulaski County, Indiana · 00.40 W of CR 1300 W · Structure no. 6600018

Built
1967
58 years old
Condition
Fair
inspected September 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
104 ft
3 main spans
Daily traffic
50
2022 count
Owner
County
County Highway Agency

About this bridge

CR 100S over Big Monon Ditch is a prestressed concrete box beam or girders - multiple carrying CR 100S over Big Monon Ditch in Pulaski County, Indiana. It was built in 1967, so it is 58 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.

It carries about 50 vehicles a day, roughly 3% of them trucks, projected to reach 60 by 2042. The structure is 104 ft (31.6 m) long and 24 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesCR 100S
CrossesBig Monon Ditch
Location00.40 W of CR 1300 W
RouteCounty Highway 62
CountyPulaski County
StateIndiana
Coordinates41.04148, -86.86127
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating34.3 US tons
Inventory rating25.7 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadUnknown
Structure length104 ft (31.6 m)
Longest span40 ft (12.1 m)
Deck width24 ft (7.3 m)
Roadway width24 ft (7.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2022)
Projected traffic60 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was CR 100S over Big Monon Ditch built?

It was built in 1967, making it 58 years old in 2025.

What condition is CR 100S over Big Monon Ditch 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 September 2024.

How much traffic does CR 100S over Big Monon Ditch carry?

About 50 vehicles per day (2022 count), of which roughly 3% are trucks.

How long is CR 100S over Big Monon Ditch?

The structure is 104 ft (31.6 m) long with a longest span of 40 ft (12.1 m) and a deck 24 ft wide.

Who owns CR 100S over Big Monon Ditch?

It is owned by the County Highway Agency.