US Bridges

CR 500N over Snail Creek

Fair

Shelby County, Indiana · 00.30 W of CR 450 W · Structure no. 7300043

Built
1968
57 years old
Condition
Fair
inspected November 2023
Type
Channel Beam
Concrete
Length
84 ft
3 main spans
Daily traffic
150
2023 count
Owner
County
County Highway Agency

About this bridge

CR 500N over Snail Creek is a concrete channel beam carrying CR 500N over Snail Creek in Shelby County, Indiana. It was built in 1968, so it is 57 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.

It carries about 150 vehicles a day, roughly 5% of them trucks, projected to reach 200 by 2041. The structure is 84 ft (25.6 m) long and 23 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesCR 500N
CrossesSnail Creek
Location00.30 W of CR 450 W
RouteCounty Highway 66
StateIndiana
Coordinates39.59855, -85.87345
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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no 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 geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating35.9 US tons
Inventory rating27.9 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length84 ft (25.6 m)
Longest span28 ft (8.5 m)
Deck width23 ft (6.9 m)
Roadway width21 ft (6.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic150 (2023)
Projected traffic200 by 2041
Trucks5%
Lanes on structure2
Traffic directionTwo-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$450,000 (2023 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was CR 500N over Snail Creek built?

It was built in 1968, making it 57 years old in 2025.

What condition is CR 500N over Snail 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 November 2023.

How much traffic does CR 500N over Snail Creek carry?

About 150 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is CR 500N over Snail Creek?

The structure is 84 ft (25.6 m) long with a longest span of 28 ft (8.5 m) and a deck 23 ft wide.

Who owns CR 500N over Snail Creek?

It is owned by the County Highway Agency.