US Bridges

CR 500S over Big Monon Ditch

Fair

Pulaski County, Indiana · 00.04 E of CR 1350 W · Structure no. 6600008

Built
1962
63 years old
Condition
Fair
inspected September 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
109 ft
3 main spans
Daily traffic
510
2022 count
Owner
County
County Highway Agency

About this bridge

CR 500S over Big Monon Ditch is a prestressed concrete box beam or girders - multiple carrying CR 500S over Big Monon Ditch in Pulaski County, Indiana. It was built in 1962, so it is 63 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 510 vehicles a day, roughly 5% of them trucks, projected to reach 620 by 2042. The structure is 109 ft (33.2 m) long and 29 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesCR 500S
CrossesBig Monon Ditch
Location00.04 E of CR 1350 W
RouteCounty Highway 42
StateIndiana
Coordinates40.98461, -86.862
Functional classRural Major Collector

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 geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating43.5 US tons
Inventory rating26.8 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadUnknown
Structure length109 ft (33.2 m)
Longest span48 ft (14.6 m)
Deck width29 ft (8.7 m)
Roadway width25 ft (7.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic510 (2022)
Projected traffic620 by 2042
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 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 500S over Big Monon Ditch built?

It was built in 1962, making it 63 years old in 2025.

What condition is CR 500S 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 500S over Big Monon Ditch carry?

About 510 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is CR 500S over Big Monon Ditch?

The structure is 109 ft (33.2 m) long with a longest span of 48 ft (14.6 m) and a deck 29 ft wide.

Who owns CR 500S over Big Monon Ditch?

It is owned by the County Highway Agency.