US Bridges

CR 300W over Br Lafferty Ditch

FairPosted for load

Clay County, Indiana · 00.20 N of CR 800 S · Structure no. 1100166

Built
1925
100 years old
Condition
Fair
inspected September 2024
Type
Slab
Concrete
Length
27 ft
1 main span
Daily traffic
119
2022 count
Owner
County
County Highway Agency

About this bridge

CR 300W over Br Lafferty Ditch is a concrete slab carrying CR 300W over Br Lafferty Ditch in Clay County, Indiana. It was built in 1925, so it is 100 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. Its operating status is: posted for load restriction.

It carries about 119 vehicles a day, roughly 3% of them trucks, projected to reach 150 by 2042. The structure is 27 ft (8.2 m) long and 17 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesCR 300W
CrossesBr Lafferty Ditch
Location00.20 N of CR 800 S
RouteCounty Highway 29
CountyClay County
StateIndiana
Coordinates39.27412, -87.166
Functional classRural Local

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating15.8 US tons
Inventory rating9.4 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length27 ft (8.2 m)
Longest span23 ft (7 m)
Deck width17 ft (5.3 m)
Roadway width15 ft (4.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic119 (2022)
Projected traffic150 by 2042
Trucks3%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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$835,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was CR 300W over Br Lafferty Ditch built?

It was built in 1925, making it 100 years old in 2025.

What condition is CR 300W over Br 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 300W over Br Lafferty Ditch carry?

About 119 vehicles per day (2022 count), of which roughly 3% are trucks.

How long is CR 300W over Br Lafferty Ditch?

The structure is 27 ft (8.2 m) long with a longest span of 23 ft (7 m) and a deck 17 ft wide.

Who owns CR 300W over Br Lafferty Ditch?

It is owned by the County Highway Agency.