US Bridges

440th over Drainage Ditch

PoorPosted for load

Worth County, Iowa · 099191701 · Structure no. 000000000356040

Built
1962
63 years old
Condition
Poor
inspected November 2023
Type
Slab
Concrete
Length
27 ft
1 main span
Daily traffic
26
2022 count
Owner
County
County Highway Agency

About this bridge

440th over Drainage Ditch is a concrete slab carrying 440th over Drainage Ditch in Worth County, Iowa. It was built in 1962, so it is 63 years old, older than the Iowa average of 45.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 26 vehicles a day, projected to reach 26 by 2043. The structure is 27 ft (8.2 m) long and 26 ft wide. If it were closed, the detour would be 13 mi (21 km).

Location

Open in Google Maps
Carries440th
CrossesDrainage Ditch
Location099191701
RouteCounty Highway 0
CountyWorth County
StateIowa
Coordinates43.40085, -93.11146
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating34.6 US tons
Inventory rating20 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length27 ft (8.2 m)
Longest span24 ft (7.3 m)
Deck width26 ft (8 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic26 (2022)
Projected traffic26 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed13 mi (21 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 440th over Drainage Ditch built?

It was built in 1962, making it 63 years old in 2025.

What condition is 440th over Drainage Ditch in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in November 2023.

How much traffic does 440th over Drainage Ditch carry?

About 26 vehicles per day (2022 count).

How long is 440th over Drainage Ditch?

The structure is 27 ft (8.2 m) long with a longest span of 24 ft (7.3 m) and a deck 26 ft wide.

Who owns 440th over Drainage Ditch?

It is owned by the County Highway Agency.