FM over Drainage Ditch

Fair

Osceola County, Iowa · 099412102 · Structure no. 000000000263285

Built: 1959; 66 years old
Condition: Fair; inspected November 2024
Type: Culvert; Concrete Continuous
Length: 23 ft; 2 main spans
Daily traffic: 110; 2022 count
Owner: County; County Highway Agency

About this bridge

FM over Drainage Ditch is a concrete continuous culvert carrying FM over Drainage Ditch in Osceola County, Iowa. It was built in 1959, so it is 66 years old, older than the Iowa average of 45.5 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 110 vehicles a day, roughly 15% of them trucks, projected to reach 110 by 2044. The structure is 23 ft (7 m) long. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps

CarriesFM

CrossesDrainage Ditch

Location099412102

RouteCounty Highway 0

CountyOsceola County

StateIowa

Coordinates43.38458, -95.70273

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.

Component	Rating	Meaning
Channel and channel protection	7 Good	Some minor problems.
Culvert	6 Satisfactory	Structural elements show some minor deterioration.

Last inspectionNovember 2024

Inspection intervalevery 24 months

Operating statusOpen, no restriction

ScourFoundations stable; scour above top of footing

Structural evaluation6: Equal to present minimum criteria

Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is

Approach roadway alignment8: Equal to present desirable criteria

Operating rating35.6 US tons

Inventory rating35.6 US tons

Structure

Structure typeCulvert

MaterialConcrete Continuous

DeckNot applicable

Main spans2

Design loadHS 20

Structure length23 ft (7 m)

Longest span10 ft (3 m)

Deck width0 ft (0 m)

Roadway width0 ft (0 m)

Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic110 (2022)

Projected traffic110 by 2044

Trucks15%

Lanes on structure2

Traffic directionTwo-way traffic

CarriesHighway

CrossesWaterway

Detour if closed3.1 mi (5 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—

NavigationNo navigation control on waterway

Frequently asked questions

When was FM over Drainage Ditch built?

It was built in 1959, making it 66 years old in 2025.

What condition is FM over Drainage 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 November 2024.

How much traffic does FM over Drainage Ditch carry?

About 110 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is FM over Drainage Ditch?

The structure is 23 ft (7 m) long with a longest span of 10 ft (3 m).

Who owns FM over Drainage Ditch?

It is owned by the County Highway Agency.