US Bridges

FM over Drainage Ditch 9

Good

Wright County, Iowa · 091253003 · Structure no. 000000000357701

Built
2003
22 years old
Condition
Good
inspected March 2024
Type
Culvert
Concrete Continuous
Length
27 ft
2 main spans
Daily traffic
1,387
2022 count
Owner
County
County Highway Agency

About this bridge

FM over Drainage Ditch 9 is a concrete continuous culvert carrying FM over Drainage Ditch 9 in Wright County, Iowa. It was built in 2003, so it is 22 years old, younger than the Iowa average of 45.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 1,387 vehicles a day, roughly 13% of them trucks, projected to reach 1,387 by 2044. The structure is 27 ft (8.2 m) long. If it were closed, the detour would be 8.7 mi (14 km).

CarriesFM
CrossesDrainage Ditch 9
Location091253003
RouteCounty Highway 0
StateIowa
Coordinates42.66626, -93.84497
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection8 Very GoodNo problems noted.
Culvert8 Very GoodNo problems noted.
Last inspectionMarch 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating48.6 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 20
Structure length27 ft (8.2 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,387 (2022)
Projected traffic1,387 by 2044
Trucks13%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was FM over Drainage Ditch 9 built?

It was built in 2003, making it 22 years old in 2025.

What condition is FM over Drainage Ditch 9 in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in March 2024.

How much traffic does FM over Drainage Ditch 9 carry?

About 1,387 vehicles per day (2022 count), of which roughly 13% are trucks.

How long is FM over Drainage Ditch 9?

The structure is 27 ft (8.2 m) long with a longest span of 12 ft (3.7 m).

Who owns FM over Drainage Ditch 9?

It is owned by the County Highway Agency.