US Bridges

CR 550 S over Wirth Ditch

Good

Gibson County, Indiana · 00.30 W of CR 800 E · Structure no. 2600373

Built
2001
24 years old
Condition
Good
inspected July 2024
Type
Culvert
Aluminum, Wrought Iron, or Cast Iron
Length
34 ft
1 main span
Daily traffic
99
2022 count
Owner
County
County Highway Agency

About this bridge

CR 550 S over Wirth Ditch is a aluminum, wrought iron, or cast iron culvert carrying CR 550 S over Wirth Ditch in Gibson County, Indiana. It was built in 2001, so it is 24 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 99 vehicles a day, roughly 5% of them trucks, projected to reach 130 by 2042. The structure is 34 ft (10.5 m) long and 24 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesCR 550 S
CrossesWirth Ditch
Location00.30 W of CR 800 E
RouteCounty Highway 0
StateIndiana
Coordinates38.27428, -87.43663
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating37.5 US tons
Inventory rating28.9 US tons

Structure

Structure typeCulvert
MaterialAluminum, Wrought Iron, or Cast Iron
DeckNot applicable
Main spans1
Design loadHS 20
Structure length34 ft (10.5 m)
Longest span20 ft (6.2 m)
Deck width24 ft (7.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic99 (2022)
Projected traffic130 by 2042
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 S over Wirth Ditch built?

It was built in 2001, making it 24 years old in 2025.

What condition is CR 550 S over Wirth Ditch 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 July 2024.

How much traffic does CR 550 S over Wirth Ditch carry?

About 99 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is CR 550 S over Wirth Ditch?

The structure is 34 ft (10.5 m) long with a longest span of 20 ft (6.2 m) and a deck 24 ft wide.

Who owns CR 550 S over Wirth Ditch?

It is owned by the County Highway Agency.