US Bridges

CR 420W over Clifty Creek

Fair

Decatur County, Indiana · 00.05 N of CR 340 N · Structure no. 1600021

Built
1965
60 years old
Condition
Fair
inspected April 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
164 ft
3 main spans
Daily traffic
250
2017 count
Owner
County
County Highway Agency

About this bridge

CR 420W over Clifty Creek is a steel continuous stringer/multi-beam or girder carrying CR 420W over Clifty Creek in Decatur County, Indiana. It was built in 1965, so it is 60 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 250 vehicles a day, roughly 10% of them trucks, projected to reach 390 by 2037. The structure is 164 ft (49.9 m) long and 23 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesCR 420W
CrossesClifty Creek
Location00.05 N of CR 340 N
RouteCounty Highway 39
CountyDecatur County
StateIndiana
Coordinates39.38685, -85.55997
Functional classRural Minor Collector

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
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 rating57.5 US tons
Inventory rating44.3 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length164 ft (49.9 m)
Longest span60 ft (18.2 m)
Deck width23 ft (7.1 m)
Roadway width21 ft (6.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic250 (2017)
Projected traffic390 by 2037
Trucks10%
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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$950,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was CR 420W over Clifty Creek built?

It was built in 1965, making it 60 years old in 2025.

What condition is CR 420W over Clifty 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 April 2023.

How much traffic does CR 420W over Clifty Creek carry?

About 250 vehicles per day (2017 count), of which roughly 10% are trucks.

How long is CR 420W over Clifty Creek?

The structure is 164 ft (49.9 m) long with a longest span of 60 ft (18.2 m) and a deck 23 ft wide.

Who owns CR 420W over Clifty Creek?

It is owned by the County Highway Agency.