US Bridges

CR 550W over Snake Creek

Fair

Putnam County, Indiana · 00.01 N of CR 375 S · Structure no. 6700106

Built
1986
39 years old
Condition
Fair
inspected March 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
69 ft
2 main spans
Daily traffic
360
2023 count
Owner
County
County Highway Agency

About this bridge

CR 550W over Snake Creek is a prestressed concrete box beam or girders - multiple carrying CR 550W over Snake Creek in Putnam County, Indiana. It was built in 1986, so it is 39 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.

It carries about 360 vehicles a day, roughly 4% of them trucks, projected to reach 490 by 2043. The structure is 69 ft (21 m) long and 23 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesCR 550W
CrossesSnake Creek
Location00.01 N of CR 375 S
RouteCounty Highway 173
StateIndiana
Coordinates39.60934, -86.95313
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 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 geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating75.1 US tons
Inventory rating44.9 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans2
Design loadHS 20
Structure length69 ft (21 m)
Longest span33 ft (10.2 m)
Deck width23 ft (6.9 m)
Roadway width21 ft (6.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic360 (2023)
Projected traffic490 by 2043
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 550W over Snake Creek built?

It was built in 1986, making it 39 years old in 2025.

What condition is CR 550W over Snake 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 March 2023.

How much traffic does CR 550W over Snake Creek carry?

About 360 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is CR 550W over Snake Creek?

The structure is 69 ft (21 m) long with a longest span of 33 ft (10.2 m) and a deck 23 ft wide.

Who owns CR 550W over Snake Creek?

It is owned by the County Highway Agency.