US Bridges

CR 500S over Bett Ditch

FairPosted for load

Boone County, Indiana · 00.19 W of CR 100 E · Structure no. 0600110

Built
1930
95 years old
Condition
Fair
inspected September 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
25 ft
1 main span
Daily traffic
120
2017 count
Owner
County
County Highway Agency

About this bridge

CR 500S over Bett Ditch is a steel stringer/multi-beam or girder carrying CR 500S over Bett Ditch in Boone County, Indiana. It was built in 1930, so it is 95 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 5 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 120 vehicles a day, roughly 1% of them trucks, projected to reach 180 by 2037. The structure is 25 ft (7.6 m) long and 20 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesCR 500S
CrossesBett Ditch
Location00.19 W of CR 100 E
RouteCounty Highway 500
CountyBoone County
StateIndiana
Coordinates39.9668, -86.45449
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusPosted for load 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 geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating44.1 US tons
Inventory rating26.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length25 ft (7.6 m)
Longest span22 ft (6.7 m)
Deck width20 ft (6.1 m)
Roadway width17 ft (5.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic120 (2017)
Projected traffic180 by 2037
Trucks1%
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$468,000 (2023 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was CR 500S over Bett Ditch built?

It was built in 1930, making it 95 years old in 2025.

What condition is CR 500S over Bett 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 2023.

How much traffic does CR 500S over Bett Ditch carry?

About 120 vehicles per day (2017 count), of which roughly 1% are trucks.

How long is CR 500S over Bett Ditch?

The structure is 25 ft (7.6 m) long with a longest span of 22 ft (6.7 m) and a deck 20 ft wide.

Who owns CR 500S over Bett Ditch?

It is owned by the County Highway Agency.