US Bridges

Ia 9 over Sugar Creek

Good

Mitchell County, Iowa · 1.2 Mi. W of Jct. US 218 · Structure no. 000000000036521

Built
2013
12 years old
Condition
Good
inspected November 2023
Type
Culvert
Concrete
Length
48 ft
3 main spans
Daily traffic
2,990
2022 count
Owner
State
State Highway Agency

About this bridge

Ia 9 over Sugar Creek is a concrete culvert carrying Ia 9 over Sugar Creek in Mitchell County, Iowa. It was built in 2013, so it is 12 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 2,990 vehicles a day, roughly 9% of them trucks, projected to reach 2,990 by 2043. The structure is 48 ft (14.6 m) long. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesIa 9
CrossesSugar Creek
Location1.2 Mi. W of Jct. US 218
RouteState Highway 9
CountyMitchell County
StateIowa
Coordinates43.28393, -92.83482
Functional classRural Minor Arterial

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 inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHL 93
Structure length48 ft (14.6 m)
Longest span14 ft (4.3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,990 (2022)
Projected traffic2,990 by 2043
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Ia 9 over Sugar Creek built?

It was built in 2013, making it 12 years old in 2025.

What condition is Ia 9 over Sugar Creek 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 November 2023.

How much traffic does Ia 9 over Sugar Creek carry?

About 2,990 vehicles per day (2022 count), of which roughly 9% are trucks.

How long is Ia 9 over Sugar Creek?

The structure is 48 ft (14.6 m) long with a longest span of 14 ft (4.3 m).

Who owns Ia 9 over Sugar Creek?

It is owned by the State Highway Agency.