US Bridges

CR 600N over Big Blue River

FairPosted for load

Henry County, Indiana · 00.50 W of Old Muncie Pk · Structure no. 3300185

Built
1983
42 years old
Condition
Fair
inspected August 2023
Type
Culvert
Steel
Length
21 ft
1 main span
Daily traffic
106
2021 count
Owner
County
County Highway Agency

About this bridge

CR 600N over Big Blue River is a steel culvert carrying CR 600N over Big Blue River in Henry County, Indiana. It was built in 1983, so it is 42 years old, younger 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. Its operating status is: posted for load restriction.

It carries about 106 vehicles a day, roughly 5% of them trucks, projected to reach 185 by 2041. The structure is 21 ft (6.5 m) long and 20 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesCR 600N
CrossesBig Blue River
Location00.50 W of Old Muncie Pk
RouteCounty Highway 470
StateIndiana
Coordinates40.01875, -85.34628
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
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 alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating51.5 US tons
Inventory rating39.7 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans1
Design loadUnknown
Structure length21 ft (6.5 m)
Longest span21 ft (6.5 m)
Deck width20 ft (6.2 m)
Roadway width20 ft (6.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic106 (2021)
Projected traffic185 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was CR 600N over Big Blue River built?

It was built in 1983, making it 42 years old in 2025.

What condition is CR 600N over Big Blue River 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 August 2023.

How much traffic does CR 600N over Big Blue River carry?

About 106 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is CR 600N over Big Blue River?

The structure is 21 ft (6.5 m) long with a longest span of 21 ft (6.5 m) and a deck 20 ft wide.

Who owns CR 600N over Big Blue River?

It is owned by the County Highway Agency.