US Bridges

CR 550 West over Mossburg Ditch

FairPosted for load

Wells County, Indiana · 00.30 S of CR 100 S · Structure no. 9000064

Built
1940
85 years old, rebuilt 1966
Condition
Fair
inspected October 2023
Type
Slab
Concrete
Length
36 ft
1 main span
Daily traffic
100
2019 count
Owner
County
County Highway Agency

About this bridge

CR 550 West over Mossburg Ditch is a concrete slab carrying CR 550 West over Mossburg Ditch in Wells County, Indiana. It was built in 1940 and reconstructed in 1966, so it is 85 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 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 100 vehicles a day, roughly 3% of them trucks, projected to reach 150 by 2039. The structure is 36 ft (11 m) long and 22 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesCR 550 West
CrossesMossburg Ditch
Location00.30 S of CR 100 S
RouteCounty Highway 97
StateIndiana
Coordinates40.72155, -85.32681
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating33 US tons
Inventory rating20 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length36 ft (11 m)
Longest span32 ft (9.9 m)
Deck width22 ft (6.6 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2019)
Projected traffic150 by 2039
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1 million (2023 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was CR 550 West over Mossburg Ditch built?

It was built in 1940, making it 85 years old in 2025. It was reconstructed in 1966.

What condition is CR 550 West over Mossburg Ditch 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 October 2023.

How much traffic does CR 550 West over Mossburg Ditch carry?

About 100 vehicles per day (2019 count), of which roughly 3% are trucks.

How long is CR 550 West over Mossburg Ditch?

The structure is 36 ft (11 m) long with a longest span of 32 ft (9.9 m) and a deck 22 ft wide.

Who owns CR 550 West over Mossburg Ditch?

It is owned by the County Highway Agency.