US Bridges

SR 39 over Timmons Ditch

Fair

White County, Indiana · 03.09 S SR 16 · Structure no. 013370

Built
1936
89 years old, rebuilt 1968
Condition
Fair
inspected December 2023
Type
Arch - Deck
Concrete
Length
27 ft
1 main span
Daily traffic
3,288
2004 count
Owner
State
State Highway Agency

About this bridge

SR 39 over Timmons Ditch is a concrete arch - deck carrying SR 39 over Timmons Ditch in White County, Indiana. It was built in 1936 and reconstructed in 1968, so it is 89 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 3,288 vehicles a day, roughly 10% of them trucks, projected to reach 5,458 by 2029. The structure is 27 ft (8.2 m) long and 40 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

Location

Open in Google Maps
CarriesSR 39
CrossesTimmons Ditch
Location03.09 S SR 16
RouteState Highway 39
CountyWhite County
StateIndiana
Coordinates40.83827, -86.74527
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
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating84.3 US tons
Inventory rating80.4 US tons

Structure

Structure typeArch - Deck
MaterialConcrete
DeckNot applicable
Main spans1
Design loadH 20
Structure length27 ft (8.2 m)
Longest span25 ft (7.6 m)
Deck width40 ft (12.1 m)
Roadway width38 ft (11.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,288 (2004)
Projected traffic5,458 by 2029
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed2.5 mi (4 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 39 over Timmons Ditch built?

It was built in 1936, making it 89 years old in 2025. It was reconstructed in 1968.

What condition is SR 39 over Timmons 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 December 2023.

How much traffic does SR 39 over Timmons Ditch carry?

About 3,288 vehicles per day (2004 count), of which roughly 10% are trucks.

How long is SR 39 over Timmons Ditch?

The structure is 27 ft (8.2 m) long with a longest span of 25 ft (7.6 m) and a deck 40 ft wide.

Who owns SR 39 over Timmons Ditch?

It is owned by the State Highway Agency.