US Bridges

CR 68 over Black Creek

Fair

DeKalb County, Indiana · 00.60 W of CR 9 · Structure no. 1700114

Built
1974
51 years old
Condition
Fair
inspected October 2024
Type
Culvert
Steel
Length
37 ft
1 main span
Daily traffic
575
2024 count
Owner
County
County Highway Agency

About this bridge

CR 68 over Black Creek is a steel culvert carrying CR 68 over Black Creek in DeKalb County, Indiana. It was built in 1974, so it is 51 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 6 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 575 vehicles a day, roughly 6% of them trucks, projected to reach 900 by 2044. The structure is 37 ft (11.4 m) long and 120 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesCR 68
CrossesBlack Creek
Location00.60 W of CR 9
RouteCounty Highway 6
StateIndiana
Coordinates41.27903, -85.16077
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
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating65.7 US tons
Inventory rating60 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans1
Design loadHS 20
Structure length37 ft (11.4 m)
Longest span37 ft (11.2 m)
Deck width120 ft (36.5 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic575 (2024)
Projected traffic900 by 2044
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 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 68 over Black Creek built?

It was built in 1974, making it 51 years old in 2025.

What condition is CR 68 over Black 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 68 over Black Creek carry?

About 575 vehicles per day (2024 count), of which roughly 6% are trucks.

How long is CR 68 over Black Creek?

The structure is 37 ft (11.4 m) long with a longest span of 37 ft (11.2 m) and a deck 120 ft wide.

Who owns CR 68 over Black Creek?

It is owned by the County Highway Agency.