US Bridges

SR 16 over Big Monon Ditch

Fair

White County, Indiana · 01.17 W SR 39 · Structure no. 004260

Built
1968
57 years old, rebuilt 1997
Condition
Fair
inspected January 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
150 ft
3 main spans
Daily traffic
2,039
2020 count
Owner
State
State Highway Agency

About this bridge

SR 16 over Big Monon Ditch is a prestressed concrete continuous box beam or girders - multiple carrying SR 16 over Big Monon Ditch in White County, Indiana. It was built in 1968 and reconstructed in 1997, so it is 57 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 2,039 vehicles a day, roughly 41% of them trucks, projected to reach 4,341 by 2030. The structure is 150 ft (45.7 m) long and 36 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesSR 16
CrossesBig Monon Ditch
Location01.17 W SR 39
RouteState Highway 16
CountyWhite County
StateIndiana
Coordinates40.86911, -86.77909
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
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 adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating41.1 US tons
Inventory rating31.7 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length150 ft (45.7 m)
Longest span65 ft (19.9 m)
Deck width36 ft (11 m)
Roadway width33 ft (10.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,039 (2020)
Projected traffic4,341 by 2030
Trucks41%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 16 over Big Monon Ditch built?

It was built in 1968, making it 57 years old in 2025. It was reconstructed in 1997.

What condition is SR 16 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 January 2024.

How much traffic does SR 16 over Big Monon Ditch carry?

About 2,039 vehicles per day (2020 count), of which roughly 41% are trucks.

How long is SR 16 over Big Monon Ditch?

The structure is 150 ft (45.7 m) long with a longest span of 65 ft (19.9 m) and a deck 36 ft wide.

Who owns SR 16 over Big Monon Ditch?

It is owned by the State Highway Agency.