US Bridges

CR 550 North over Stream 2 Eel River

Fair

Miami County, Indiana · 0.50 E of CR 100 E · Structure no. 5200032

Built
1930
95 years old, rebuilt 1970
Condition
Fair
inspected May 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
30 ft
1 main span
Daily traffic
100
2011 count
Owner
County
County Highway Agency

About this bridge

CR 550 North over Stream 2 Eel River is a prestressed concrete box beam or girders - multiple carrying CR 550 North over Stream 2 Eel River in Miami County, Indiana. It was built in 1930 and reconstructed in 1970, so it is 95 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 100 vehicles a day, roughly 5% of them trucks, projected to reach 150 by 2031. The structure is 30 ft (9.1 m) long and 22 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesCR 550 North
CrossesStream 2 Eel River
Location0.50 E of CR 100 E
RouteCounty Highway 66
CountyMiami County
StateIndiana
Coordinates40.84439, -86.04611
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMay 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 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 rating45 US tons
Inventory rating35.9 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadUnknown
Structure length30 ft (9.1 m)
Longest span24 ft (7.3 m)
Deck width22 ft (6.7 m)
Roadway width22 ft (6.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2011)
Projected traffic150 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 2 Eel River built?

It was built in 1930, making it 95 years old in 2025. It was reconstructed in 1970.

What condition is CR 550 North over Stream 2 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 2 Eel River carry?

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

How long is CR 550 North over Stream 2 Eel River?

The structure is 30 ft (9.1 m) long with a longest span of 24 ft (7.3 m) and a deck 22 ft wide.

Who owns CR 550 North over Stream 2 Eel River?

It is owned by the County Highway Agency.