US Bridges

CR 550W over Spring Creek

Fair

Boone County, Indiana · 00.40 N of US 52 · Structure no. 0600019

Built
1960
65 years old
Condition
Fair
inspected September 2023
Type
Slab
Concrete Continuous
Length
72 ft
3 main spans
Daily traffic
550
2017 count
Owner
County
County Highway Agency

About this bridge

CR 550W over Spring Creek is a concrete continuous slab carrying CR 550W over Spring Creek in Boone County, Indiana. It was built in 1960, so it is 65 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 550 vehicles a day, roughly 5% of them trucks, projected to reach 840 by 2037. The structure is 72 ft (22 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 550W
CrossesSpring Creek
Location00.40 N of US 52
RouteCounty Highway 550
CountyBoone County
StateIndiana
Coordinates40.1412, -86.57034
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 inspectionSeptember 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 geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating42.9 US tons
Inventory rating33.2 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length72 ft (22 m)
Longest span28 ft (8.5 m)
Deck width22 ft (6.8 m)
Roadway width20 ft (6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic550 (2017)
Projected traffic840 by 2037
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 550W over Spring Creek built?

It was built in 1960, making it 65 years old in 2025.

What condition is CR 550W over Spring 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 September 2023.

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

About 550 vehicles per day (2017 count), of which roughly 5% are trucks.

How long is CR 550W over Spring Creek?

The structure is 72 ft (22 m) long with a longest span of 28 ft (8.5 m) and a deck 22 ft wide.

Who owns CR 550W over Spring Creek?

It is owned by the County Highway Agency.