US Bridges

9th ST SW over Drainage Ditch #15

Good

Wright County, Iowa · 091263408 · Structure no. 000000000004361

Built
2019
6 years old
Condition
Good
inspected March 2023
Type
Culvert
Concrete
Length
27 ft
2 main spans
Daily traffic
257
2021 count
Owner
City
City or Municipal Highway Agency

About this bridge

9th ST SW over Drainage Ditch #15 is a concrete culvert carrying 9th ST SW over Drainage Ditch #15 in Wright County, Iowa. It was built in 2019, so it is 6 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 257 vehicles a day, projected to reach 257 by 2043. The structure is 27 ft (8.2 m) long. If it were closed, the detour would be 1.2 mi (2 km).

Carries9th ST SW
CrossesDrainage Ditch #15
Location091263408
RouteCity Street 0
StateIowa
Coordinates42.65461, -93.90609
Functional classRural Local

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 protection7 GoodSome minor problems.
Culvert8 Very GoodNo problems noted.
Last inspectionMarch 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating57.5 US tons
Inventory rating44.6 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHL 93
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 traffic257 (2021)
Projected traffic257 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was 9th ST SW over Drainage Ditch #15 built?

It was built in 2019, making it 6 years old in 2025.

What condition is 9th ST SW over Drainage Ditch #15 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 2023.

How much traffic does 9th ST SW over Drainage Ditch #15 carry?

About 257 vehicles per day (2021 count).

How long is 9th ST SW over Drainage Ditch #15?

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

Who owns 9th ST SW over Drainage Ditch #15?

It is owned by the City or Municipal Highway Agency.