South Main ST over Farmers Creek

Good

Jackson County, Iowa · R3ET836N504NE · Structure no. 000000000006921

Built: 2017; 8 years old
Condition: Good; inspected March 2024
Type: Culvert; Concrete Continuous
Length: 38 ft; 3 main spans
Daily traffic: 440; 2022 count
Owner: County; County Highway Agency

About this bridge

South Main ST over Farmers Creek is a concrete continuous culvert carrying South Main ST over Farmers Creek in Jackson County, Iowa. It was built in 2017, so it is 8 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 440 vehicles a day, roughly 9% of them trucks, projected to reach 440 by 2044. The structure is 38 ft (11.6 m) long and 29 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps

CarriesSouth Main ST

CrossesFarmers Creek

LocationR3ET836N504NE

RouteCity Street 0

CountyJackson County

StateIowa

Coordinates42.29373, -90.61948

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.

Component	Rating	Meaning
Channel and channel protection	8 Very Good	No problems noted.
Culvert	7 Good	Some minor problems.

Last inspectionMarch 2024

Inspection intervalevery 24 months

Operating statusOpen, no restriction

ScourFoundations stable; scour above top of footing

Structural evaluation7: Better than present minimum criteria

Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is

Waterway adequacy8: Equal to present desirable criteria

Approach roadway alignment9: Superior to present desirable criteria

Operating rating46.7 US tons

Inventory rating36 US tons

Structure

Structure typeCulvert

MaterialConcrete Continuous

DeckNot applicable

Main spans3

Design loadHL 93

Structure length38 ft (11.6 m)

Longest span12 ft (3.7 m)

Deck width29 ft (8.8 m)

Roadway width26 ft (7.9 m)

Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic440 (2022)

Projected traffic440 by 2044

Trucks9%

Lanes on structure2

Traffic directionTwo-way traffic

CarriesHighway and pedestrian

CrossesWaterway

Detour if closed3.7 mi (6 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 proposedNone recorded

Estimated improvement cost—

NavigationNo navigation control on waterway

Frequently asked questions

When was South Main ST over Farmers Creek built?

It was built in 2017, making it 8 years old in 2025.

What condition is South Main ST over Farmers 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 March 2024.

How much traffic does South Main ST over Farmers Creek carry?

About 440 vehicles per day (2022 count), of which roughly 9% are trucks.

How long is South Main ST over Farmers Creek?

The structure is 38 ft (11.6 m) long with a longest span of 12 ft (3.7 m) and a deck 29 ft wide.

Who owns South Main ST over Farmers Creek?

It is owned by the County Highway Agency.