US Bridges

CR 300S over Big Monon Ditch

Fair

Pulaski County, Indiana · 00.97 E of US 421 · Structure no. 6600015

Built
1996
29 years old
Condition
Fair
inspected September 2024
Type
Slab
Concrete Continuous
Length
134 ft
5 main spans
Daily traffic
180
2022 count
Owner
County
County Highway Agency

About this bridge

CR 300S over Big Monon Ditch is a concrete continuous slab carrying CR 300S over Big Monon Ditch in Pulaski County, Indiana. It was built in 1996, so it is 29 years old, younger 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.

It carries about 180 vehicles a day, roughly 5% of them trucks, projected to reach 220 by 2042. The structure is 134 ft (40.8 m) long and 27 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesCR 300S
CrossesBig Monon Ditch
Location00.97 E of US 421
RouteCounty Highway 54
CountyPulaski County
StateIndiana
Coordinates41.01248, -86.87346
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 protection7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating35.9 US tons
Inventory rating35.9 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length134 ft (40.8 m)
Longest span40 ft (12.1 m)
Deck width27 ft (8.1 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic180 (2022)
Projected traffic220 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 300S over Big Monon Ditch built?

It was built in 1996, making it 29 years old in 2025.

What condition is CR 300S 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 300S over Big Monon Ditch carry?

About 180 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is CR 300S over Big Monon Ditch?

The structure is 134 ft (40.8 m) long with a longest span of 40 ft (12.1 m) and a deck 27 ft wide.

Who owns CR 300S over Big Monon Ditch?

It is owned by the County Highway Agency.