US Bridges

US 61 NB over Farmers Creek

Good

Jackson County, Iowa · 0.6 Mi. N of Jct. SR E17 · Structure no. 000000000030190

Built
1966
59 years old
Condition
Good
inspected February 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
158 ft
3 main spans
Daily traffic
4,050
2022 count
Owner
State
State Highway Agency

About this bridge

US 61 NB over Farmers Creek is a prestressed concrete stringer/multi-beam or girder carrying US 61 NB over Farmers Creek in Jackson County, Iowa. It was built in 1966, so it is 59 years old, older 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 4,050 vehicles a day, roughly 22% of them trucks, projected to reach 4,050 by 2044. The structure is 158 ft (48.2 m) long and 36 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesUS 61 NB
CrossesFarmers Creek
Location0.6 Mi. N of Jct. SR E17
RouteU.S. Route 61
StateIowa
Coordinates42.17297, -90.67367
Functional classRural Principal Arterial - Other

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating84.8 US tons
Inventory rating50.8 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length158 ft (48.2 m)
Longest span69 ft (21 m)
Deck width36 ft (11 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,050 (2022)
Projected traffic4,050 by 2044
Trucks22%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

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 US 61 NB over Farmers Creek built?

It was built in 1966, making it 59 years old in 2025.

What condition is US 61 NB 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 February 2024.

How much traffic does US 61 NB over Farmers Creek carry?

About 4,050 vehicles per day (2022 count), of which roughly 22% are trucks.

How long is US 61 NB over Farmers Creek?

The structure is 158 ft (48.2 m) long with a longest span of 69 ft (21 m) and a deck 36 ft wide.

Who owns US 61 NB over Farmers Creek?

It is owned by the State Highway Agency.