US Bridges

240th ST over Drainage Ditch 14

FairPosted for load

Wright County, Iowa · 091241701 · Structure no. 000000000357440

Built
1920
105 years old, rebuilt 1984
Condition
Fair
inspected March 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
32 ft
1 main span
Daily traffic
46
2022 count
Owner
County
County Highway Agency

About this bridge

240th ST over Drainage Ditch 14 is a steel stringer/multi-beam or girder carrying 240th ST over Drainage Ditch 14 in Wright County, Iowa. It was built in 1920 and reconstructed in 1984, so it is 105 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 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 46 vehicles a day, projected to reach 46 by 2044. The structure is 32 ft (9.8 m) long and 24 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
Carries240th ST
CrossesDrainage Ditch 14
Location091241701
RouteCounty Highway 0
CountyWright County
StateIowa
Coordinates42.70218, -93.71219
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2024
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 adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating24.3 US tons
Inventory rating14.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length32 ft (9.8 m)
Longest span32 ft (9.8 m)
Deck width24 ft (7.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic46 (2022)
Projected traffic46 by 2044
Trucks0%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was 240th ST over Drainage Ditch 14 built?

It was built in 1920, making it 105 years old in 2025. It was reconstructed in 1984.

What condition is 240th ST over Drainage Ditch 14 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 March 2024.

How much traffic does 240th ST over Drainage Ditch 14 carry?

About 46 vehicles per day (2022 count).

How long is 240th ST over Drainage Ditch 14?

The structure is 32 ft (9.8 m) long with a longest span of 32 ft (9.8 m) and a deck 24 ft wide.

Who owns 240th ST over Drainage Ditch 14?

It is owned by the County Highway Agency.