US Bridges

CR 550 North over Stream 3 Eel River

Fair

Miami County, Indiana · 0.30 E of SR 19 · Structure no. 5200148

Built
1976
49 years old
Condition
Fair
inspected May 2023
Type
Culvert
Steel
Length
21 ft
1 main span
Daily traffic
100
2011 count
Owner
County
County Highway Agency

About this bridge

CR 550 North over Stream 3 Eel River is a steel culvert carrying CR 550 North over Stream 3 Eel River in Miami County, Indiana. It was built in 1976, so it is 49 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 100 vehicles a day, roughly 5% of them trucks, projected to reach 175 by 2031. The structure is 21 ft (6.4 m) long and 25 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesCR 550 North
CrossesStream 3 Eel River
Location0.30 E of SR 19
RouteCounty Highway 66
StateIndiana
Coordinates40.84449, -86.02836
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 protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60.1 US tons
Inventory rating35.9 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans1
Design loadUnknown
Structure length21 ft (6.4 m)
Longest span21 ft (6.4 m)
Deck width25 ft (7.6 m)
Roadway width25 ft (7.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2011)
Projected traffic175 by 2031
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 550 North over Stream 3 Eel River built?

It was built in 1976, making it 49 years old in 2025.

What condition is CR 550 North over Stream 3 Eel 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 May 2023.

How much traffic does CR 550 North over Stream 3 Eel River carry?

About 100 vehicles per day (2011 count), of which roughly 5% are trucks.

How long is CR 550 North over Stream 3 Eel River?

The structure is 21 ft (6.4 m) long with a longest span of 21 ft (6.4 m) and a deck 25 ft wide.

Who owns CR 550 North over Stream 3 Eel River?

It is owned by the County Highway Agency.