US Bridges

CR 550S over Six Mile Creek

Good

Henry County, Indiana · 00.15 W of CR 1100 W · Structure no. 3300148

Built
1990
35 years old
Condition
Good
inspected August 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
44 ft
1 main span
Daily traffic
125
2019 count
Owner
County
County Highway Agency

About this bridge

CR 550S over Six Mile Creek is a prestressed concrete box beam or girders - multiple carrying CR 550S over Six Mile Creek in Henry County, Indiana. It was built in 1990, so it is 35 years old, younger than the Indiana average of 46.6 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 125 vehicles a day, roughly 6% of them trucks, projected to reach 200 by 2039. The structure is 44 ft (13.4 m) long and 24 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesCR 550S
CrossesSix Mile Creek
Location00.15 W of CR 1100 W
RouteCounty Highway 12
StateIndiana
Coordinates39.852, -85.59455
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating54.9 US tons
Inventory rating32.8 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length44 ft (13.4 m)
Longest span42 ft (12.9 m)
Deck width24 ft (7.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic125 (2019)
Projected traffic200 by 2039
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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost$87,000 (2023 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was CR 550S over Six Mile Creek built?

It was built in 1990, making it 35 years old in 2025.

What condition is CR 550S over Six Mile Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in August 2023.

How much traffic does CR 550S over Six Mile Creek carry?

About 125 vehicles per day (2019 count), of which roughly 6% are trucks.

How long is CR 550S over Six Mile Creek?

The structure is 44 ft (13.4 m) long with a longest span of 42 ft (12.9 m) and a deck 24 ft wide.

Who owns CR 550S over Six Mile Creek?

It is owned by the County Highway Agency.