US Bridges

CR 550W over Redwood Creek

Fair

Warren County, Indiana · 00.22 N of CR 350 S · Structure no. 8600021

Built
1910
115 years old, rebuilt 2001
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
61 ft
1 main span
Daily traffic
30
2014 count
Owner
County
County Highway Agency

About this bridge

CR 550W over Redwood Creek is a steel stringer/multi-beam or girder carrying CR 550W over Redwood Creek in Warren County, Indiana. It was built in 1910 and reconstructed in 2001, so it is 115 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 30 vehicles a day, roughly 5% of them trucks, projected to reach 50 by 2034. The structure is 61 ft (18.5 m) long and 20 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesCR 550W
CrossesRedwood Creek
Location00.22 N of CR 350 S
RouteCounty Highway 21
CountyWarren County
StateIndiana
Coordinates40.26842, -87.42445
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionAugust 2024
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 rating62.5 US tons
Inventory rating37.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length61 ft (18.5 m)
Longest span56 ft (17 m)
Deck width20 ft (6 m)
Roadway width20 ft (6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic30 (2014)
Projected traffic50 by 2034
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 Redwood Creek built?

It was built in 1910, making it 115 years old in 2025. It was reconstructed in 2001.

What condition is CR 550W over Redwood 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 August 2024.

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

About 30 vehicles per day (2014 count), of which roughly 5% are trucks.

How long is CR 550W over Redwood Creek?

The structure is 61 ft (18.5 m) long with a longest span of 56 ft (17 m) and a deck 20 ft wide.

Who owns CR 550W over Redwood Creek?

It is owned by the County Highway Agency.