US Bridges

SR 39 over Lincoln Ditch

Good

Pulaski County, Indiana · 01.02 S SR 14 · Structure no. 013430

Built
1950
75 years old
Condition
Good
inspected December 2023
Type
Arch - Deck
Concrete
Length
37 ft
1 main span
Daily traffic
1,151
2020 count
Owner
State
State Highway Agency

About this bridge

SR 39 over Lincoln Ditch is a concrete arch - deck carrying SR 39 over Lincoln Ditch in Pulaski County, Indiana. It was built in 1950, so it is 75 years old, older than the Indiana average of 46.6 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 1,151 vehicles a day, roughly 12% of them trucks, projected to reach 2,248 by 2030. The structure is 37 ft (11.2 m) long and 39 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

CarriesSR 39
CrossesLincoln Ditch
Location01.02 S SR 14
RouteState Highway 39
StateIndiana
Coordinates41.04149, -86.77699
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating62.9 US tons
Inventory rating37.7 US tons

Structure

Structure typeArch - Deck
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length37 ft (11.2 m)
Longest span35 ft (10.6 m)
Deck width39 ft (12 m)
Roadway width37 ft (11.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,151 (2020)
Projected traffic2,248 by 2030
Trucks12%
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 Lincoln Ditch built?

It was built in 1950, making it 75 years old in 2025.

What condition is SR 39 over Lincoln Ditch in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in December 2023.

How much traffic does SR 39 over Lincoln Ditch carry?

About 1,151 vehicles per day (2020 count), of which roughly 12% are trucks.

How long is SR 39 over Lincoln Ditch?

The structure is 37 ft (11.2 m) long with a longest span of 35 ft (10.6 m) and a deck 39 ft wide.

Who owns SR 39 over Lincoln Ditch?

It is owned by the State Highway Agency.