US Bridges

CR 700S over Lafferty Ditch

PoorPosted for load

Clay County, Indiana · 00.30 W of CR 300 W · Structure no. 1100172

Built
1900
125 years old, rebuilt 1992
Condition
Poor
inspected September 2024
Type
Other
Steel
Length
35 ft
1 main span
Daily traffic
12
2022 count
Owner
County
County Highway Agency

About this bridge

CR 700S over Lafferty Ditch is a steel other carrying CR 700S over Lafferty Ditch in Clay County, Indiana. It was built in 1900 and reconstructed in 1992, so it is 125 years old, older than the Indiana average of 46.6 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for other load-capacity restriction.

It carries about 12 vehicles a day, roughly 3% of them trucks, projected to reach 15 by 2042. The structure is 35 ft (10.7 m) long and 18 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesCR 700S
CrossesLafferty Ditch
Location00.30 W of CR 300 W
RouteCounty Highway 22
StateIndiana
Coordinates39.2861, -87.17063
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusPosted for other load-capacity restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating100 US tons
Inventory rating100 US tons

Structure

Structure typeOther
MaterialSteel
DeckSteel plate
Main spans1
Design loadUnknown
Structure length35 ft (10.7 m)
Longest span24 ft (7.3 m)
Deck width18 ft (5.4 m)
Roadway width17 ft (5.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12 (2022)
Projected traffic15 by 2042
Trucks3%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$920,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was CR 700S over Lafferty Ditch built?

It was built in 1900, making it 125 years old in 2025. It was reconstructed in 1992.

What condition is CR 700S over Lafferty Ditch in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in September 2024.

How much traffic does CR 700S over Lafferty Ditch carry?

About 12 vehicles per day (2022 count), of which roughly 3% are trucks.

How long is CR 700S over Lafferty Ditch?

The structure is 35 ft (10.7 m) long with a longest span of 24 ft (7.3 m) and a deck 18 ft wide.

Who owns CR 700S over Lafferty Ditch?

It is owned by the County Highway Agency.