US Bridges

CR 600S over Lafferty Ditch

Fair

Clay County, Indiana · 00.30 W of CR 300 W · Structure no. 1100159

Built
2002
23 years old
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
28 ft
1 main span
Daily traffic
179
2022 count
Owner
County
County Highway Agency

About this bridge

CR 600S over Lafferty Ditch is a steel stringer/multi-beam or girder carrying CR 600S over Lafferty Ditch in Clay County, Indiana. It was built in 2002, so it is 23 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 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 179 vehicles a day, roughly 4% of them trucks, projected to reach 226 by 2042. The structure is 28 ft (8.4 m) long and 24 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

CarriesCR 600S
CrossesLafferty Ditch
Location00.30 W of CR 300 W
RouteCounty Highway 26
StateIndiana
Coordinates39.3007, -87.17035
Functional classRural Minor 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
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no 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 geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating52.7 US tons
Inventory rating31.5 US tons

Structure

MaterialSteel
DeckOpen grating
Main spans1
Design loadUnknown
Structure length28 ft (8.4 m)
Longest span27 ft (8.2 m)
Deck width24 ft (7.3 m)
Roadway width23 ft (7.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic179 (2022)
Projected traffic226 by 2042
Trucks4%
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

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 600S over Lafferty Ditch built?

It was built in 2002, making it 23 years old in 2025.

What condition is CR 600S over Lafferty 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 600S over Lafferty Ditch carry?

About 179 vehicles per day (2022 count), of which roughly 4% are trucks.

How long is CR 600S over Lafferty Ditch?

The structure is 28 ft (8.4 m) long with a longest span of 27 ft (8.2 m) and a deck 24 ft wide.

Who owns CR 600S over Lafferty Ditch?

It is owned by the County Highway Agency.