US Bridges

SR 14 over Big Monon Ditch

Fair

Pulaski County, Indiana · 02.96 W SR 39 · Structure no. 003680

Built
1969
56 years old, rebuilt 2017
Condition
Fair
inspected November 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
168 ft
3 main spans
Daily traffic
1,479
2021 count
Owner
State
State Highway Agency

About this bridge

SR 14 over Big Monon Ditch is a prestressed concrete continuous box beam or girders - multiple carrying SR 14 over Big Monon Ditch in Pulaski County, Indiana. It was built in 1969 and reconstructed in 2017, so it is 56 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 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 1,479 vehicles a day, roughly 37% of them trucks, projected to reach 1,650 by 2036. The structure is 168 ft (51.3 m) long and 37 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesSR 14
CrossesBig Monon Ditch
Location02.96 W SR 39
RouteState Highway 14
StateIndiana
Coordinates41.05596, -86.834
Functional classRural Minor Arterial

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 inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
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 rating51.8 US tons
Inventory rating38.9 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length168 ft (51.3 m)
Longest span56 ft (17 m)
Deck width37 ft (11.2 m)
Roadway width33 ft (10.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,479 (2021)
Projected traffic1,650 by 2036
Trucks37%
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

OwnerState Highway Agency
Maintained byState 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 SR 14 over Big Monon Ditch built?

It was built in 1969, making it 56 years old in 2025. It was reconstructed in 2017.

What condition is SR 14 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 November 2024.

How much traffic does SR 14 over Big Monon Ditch carry?

About 1,479 vehicles per day (2021 count), of which roughly 37% are trucks.

How long is SR 14 over Big Monon Ditch?

The structure is 168 ft (51.3 m) long with a longest span of 56 ft (17 m) and a deck 37 ft wide.

Who owns SR 14 over Big Monon Ditch?

It is owned by the State Highway Agency.