US Bridges

CR 20 over Cedar Creek

Fair

DeKalb County, Indiana · 00.40 E of CR 23 · Structure no. 1700070

Built
1972
53 years old
Condition
Fair
inspected October 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
48 ft
1 main span
Daily traffic
350
2024 count
Owner
County
County Highway Agency

About this bridge

CR 20 over Cedar Creek is a prestressed concrete box beam or girders - multiple carrying CR 20 over Cedar Creek in DeKalb County, Indiana. It was built in 1972, so it is 53 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 350 vehicles a day, roughly 6% of them trucks, projected to reach 475 by 2044. The structure is 48 ft (14.6 m) long and 24 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesCR 20
CrossesCedar Creek
Location00.40 E of CR 23
RouteCounty Highway 50
CountyDeKalb County
StateIndiana
Coordinates41.45389, -85.07072
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 protection7 GoodSome minor problems.
Last inspectionOctober 2024
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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating58.9 US tons
Inventory rating35.3 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length48 ft (14.6 m)
Longest span46 ft (14 m)
Deck width24 ft (7.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic350 (2024)
Projected traffic475 by 2044
Trucks6%
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was CR 20 over Cedar Creek built?

It was built in 1972, making it 53 years old in 2025.

What condition is CR 20 over Cedar 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 October 2024.

How much traffic does CR 20 over Cedar Creek carry?

About 350 vehicles per day (2024 count), of which roughly 6% are trucks.

How long is CR 20 over Cedar Creek?

The structure is 48 ft (14.6 m) long with a longest span of 46 ft (14 m) and a deck 24 ft wide.

Who owns CR 20 over Cedar Creek?

It is owned by the County Highway Agency.