US Bridges

US 59 over Farm Creek

Good

Mills County, Iowa · 0.8 Mi. S of Jct. SR H12 · Structure no. 000000000036011

Built
1995
30 years old
Condition
Good
inspected April 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
275 ft
3 main spans
Daily traffic
960
2023 count
Owner
State
State Highway Agency

About this bridge

US 59 over Farm Creek is a prestressed concrete stringer/multi-beam or girder carrying US 59 over Farm Creek in Mills County, Iowa. It was built in 1995, so it is 30 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 960 vehicles a day, roughly 32% of them trucks, projected to reach 960 by 2043. The structure is 275 ft (83.8 m) long and 43 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesUS 59
CrossesFarm Creek
Location0.8 Mi. S of Jct. SR H12
RouteU.S. Route 59
StateIowa
Coordinates41.1345, -95.40358
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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionApril 2023
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 geometry8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating76.3 US tons
Inventory rating45.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length275 ft (83.8 m)
Longest span97 ft (29.6 m)
Deck width43 ft (13.2 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic960 (2023)
Projected traffic960 by 2043
Trucks32%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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 59 over Farm Creek built?

It was built in 1995, making it 30 years old in 2025.

What condition is US 59 over Farm 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 April 2023.

How much traffic does US 59 over Farm Creek carry?

About 960 vehicles per day (2023 count), of which roughly 32% are trucks.

How long is US 59 over Farm Creek?

The structure is 275 ft (83.8 m) long with a longest span of 97 ft (29.6 m) and a deck 43 ft wide.

Who owns US 59 over Farm Creek?

It is owned by the State Highway Agency.