US Bridges

CR 500N over Illinois Creek

FairPosted for load

Clay County, Indiana · 00.40 W of Boy Scout RD · Structure no. 1100083

Built
1915
110 years old
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Concrete
Length
33 ft
1 main span
Daily traffic
119
2022 count
Owner
County
County Highway Agency

About this bridge

CR 500N over Illinois Creek is a concrete stringer/multi-beam or girder carrying CR 500N over Illinois Creek in Clay County, Indiana. It was built in 1915, so it is 110 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 119 vehicles a day, roughly 3% of them trucks, projected to reach 150 by 2042. The structure is 33 ft (10.1 m) long and 19 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesCR 500N
CrossesIllinois Creek
Location00.40 W of Boy Scout RD
RouteCounty Highway 218
StateIndiana
Coordinates39.45856, -87.00392
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 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; action required to protect exposed foundations
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating14.3 US tons
Inventory rating8.9 US tons

Structure

MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length33 ft (10.1 m)
Longest span30 ft (9.1 m)
Deck width19 ft (5.9 m)
Roadway width16 ft (4.9 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 closed3.7 mi (6 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$870,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was CR 500N over Illinois Creek built?

It was built in 1915, making it 110 years old in 2025.

What condition is CR 500N over Illinois Creek 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 500N over Illinois Creek carry?

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

How long is CR 500N over Illinois Creek?

The structure is 33 ft (10.1 m) long with a longest span of 30 ft (9.1 m) and a deck 19 ft wide.

Who owns CR 500N over Illinois Creek?

It is owned by the County Highway Agency.