US Bridges

FM 250th ST over Drainage Ditch

Fair

Johnson County, Iowa · 080080903 · Structure no. 000000000205090

Built
1978
47 years old
Condition
Fair
inspected April 2021
Type
Culvert
Concrete Continuous
Length
23 ft
2 main spans
Daily traffic
620
2022 count
Owner
County
County Highway Agency

About this bridge

FM 250th ST over Drainage Ditch is a concrete continuous culvert carrying FM 250th ST over Drainage Ditch in Johnson County, Iowa. It was built in 1978, so it is 47 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 620 vehicles a day, projected to reach 620 by 2043. The structure is 23 ft (7 m) long.

Location

Open in Google Maps
CarriesFM 250th ST
CrossesDrainage Ditch
Location080080903
RouteCounty Highway 0
CountyJohnson County
StateIowa
Coordinates41.76024, -91.78275
Functional classRural Major 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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating51.5 US tons
Inventory rating39.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHL 93
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 traffic620 (2022)
Projected traffic620 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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 250th ST over Drainage Ditch built?

It was built in 1978, making it 47 years old in 2025.

What condition is FM 250th ST 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 April 2021.

How much traffic does FM 250th ST over Drainage Ditch carry?

About 620 vehicles per day (2022 count).

How long is FM 250th ST over Drainage Ditch?

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

Who owns FM 250th ST over Drainage Ditch?

It is owned by the County Highway Agency.