US Bridges

CR 100N over Willow Pond Ditch

Fair

Spencer County, Indiana · 00.14 E of CR 1000 W · Structure no. 7400193

Built
1908
117 years old
Condition
Fair
inspected September 2024
Type
Arch - Deck
Concrete
Length
28 ft
1 main span
Daily traffic
60
2022 count
Owner
County
County Highway Agency

About this bridge

CR 100N over Willow Pond Ditch is a concrete arch - deck carrying CR 100N over Willow Pond Ditch in Spencer County, Indiana. It was built in 1908, so it is 117 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 60 vehicles a day, roughly 5% of them trucks, projected to reach 90 by 2042. The structure is 28 ft (8.5 m) long and 16 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesCR 100N
CrossesWillow Pond Ditch
Location00.14 E of CR 1000 W
RouteCounty Highway 306
StateIndiana
Coordinates37.90277, -87.24773
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
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 statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating35.9 US tons
Inventory rating35.9 US tons

Structure

Structure typeArch - Deck
MaterialConcrete
DeckNot applicable
Main spans1
Design loadUnknown
Structure length28 ft (8.5 m)
Longest span25 ft (7.5 m)
Deck width16 ft (4.8 m)
Roadway width15 ft (4.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic60 (2022)
Projected traffic90 by 2042
Trucks5%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusEligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was CR 100N over Willow Pond Ditch built?

It was built in 1908, making it 117 years old in 2025.

What condition is CR 100N over Willow Pond 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 100N over Willow Pond Ditch carry?

About 60 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is CR 100N over Willow Pond Ditch?

The structure is 28 ft (8.5 m) long with a longest span of 25 ft (7.5 m) and a deck 16 ft wide.

Who owns CR 100N over Willow Pond Ditch?

It is owned by the County Highway Agency.