US Bridges

FM over Farm Creek

Good

Pottawattamie County, Iowa · 074391202 · Structure no. 000000000283701

Built
1981
44 years old
Condition
Good
inspected April 2024
Type
Slab
Concrete Continuous
Length
75 ft
3 main spans
Daily traffic
45
2022 count
Owner
County
County Highway Agency

About this bridge

FM over Farm Creek is a concrete continuous slab carrying FM over Farm Creek in Pottawattamie County, Iowa. It was built in 1981, so it is 44 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 45 vehicles a day, projected to reach 45 by 2043. The structure is 75 ft (22.9 m) long and 33 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesFM
CrossesFarm Creek
Location074391202
RouteCounty Highway 0
StateIowa
Coordinates41.22444, -95.28912
Functional classRural Minor Collector

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating58.5 US tons
Inventory rating34.4 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length75 ft (22.9 m)
Longest span29 ft (8.8 m)
Deck width33 ft (10.1 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic45 (2022)
Projected traffic45 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 FM over Farm Creek built?

It was built in 1981, making it 44 years old in 2025.

What condition is FM 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 2024.

How much traffic does FM over Farm Creek carry?

About 45 vehicles per day (2022 count).

How long is FM over Farm Creek?

The structure is 75 ft (22.9 m) long with a longest span of 29 ft (8.8 m) and a deck 33 ft wide.

Who owns FM over Farm Creek?

It is owned by the County Highway Agency.