US Bridges

CR 1100W over Big Monon Ditch

FairPosted for load

Pulaski County, Indiana · 00.86 N of SR 14 · Structure no. 6600026

Built
1989
36 years old
Condition
Fair
inspected September 2024
Type
Slab
Concrete Continuous
Length
94 ft
3 main spans
Daily traffic
30
2022 count
Owner
County
County Highway Agency

About this bridge

CR 1100W over Big Monon Ditch is a concrete continuous slab carrying CR 1100W over Big Monon Ditch in Pulaski County, Indiana. It was built in 1989, so it is 36 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. Its operating status is: posted for load restriction.

It carries about 30 vehicles a day, roughly 2% of them trucks, projected to reach 40 by 2042. The structure is 94 ft (28.7 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 1100W
CrossesBig Monon Ditch
Location00.86 N of SR 14
RouteCounty Highway 161
CountyPulaski County
StateIndiana
Coordinates41.06888, -86.81484
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 protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionSeptember 2024
Inspection intervalevery 48 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating26.8 US tons
Inventory rating20.4 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length94 ft (28.7 m)
Longest span36 ft (10.9 m)
Deck width27 ft (8.2 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic30 (2022)
Projected traffic40 by 2042
Trucks2%
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 1100W over Big Monon Ditch built?

It was built in 1989, making it 36 years old in 2025.

What condition is CR 1100W 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 1100W over Big Monon Ditch carry?

About 30 vehicles per day (2022 count), of which roughly 2% are trucks.

How long is CR 1100W over Big Monon Ditch?

The structure is 94 ft (28.7 m) long with a longest span of 36 ft (10.9 m) and a deck 27 ft wide.

Who owns CR 1100W over Big Monon Ditch?

It is owned by the County Highway Agency.