FM over Doud Creek

Good

Hardin County, Iowa · 086193605 · Structure no. 000000000174701

Built: 2010; 15 years old
Condition: Good; inspected February 2023
Type: Slab; Concrete Continuous
Length: 90 ft; 3 main spans
Daily traffic: 697; 2022 count
Owner: County; County Highway Agency

About this bridge

FM over Doud Creek is a concrete continuous slab carrying FM over Doud Creek in Hardin County, Iowa. It was built in 2010, so it is 15 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 697 vehicles a day, roughly 11% of them trucks, projected to reach 697 by 2043. The structure is 90 ft (27.4 m) long and 33 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps

CarriesFM

CrossesDoud Creek

Location086193605

RouteCounty Highway 0

CountyHardin County

StateIowa

Coordinates42.22369, -93.00324

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
Deck	8 Very Good	No problems noted.
Superstructure	8 Very Good	No problems noted.
Substructure	8 Very Good	No problems noted.
Channel and channel protection	8 Very Good	No problems noted.

Last inspectionFebruary 2023

Inspection intervalevery 48 months

Operating statusOpen, no restriction

ScourFoundations stable; scour within limits of footing or piles

Structural evaluation8: Equal to present desirable criteria

Deck geometry6: Equal to present minimum criteria

Waterway adequacy8: Equal to present desirable criteria

Approach roadway alignment7: Better than present minimum criteria

Operating rating55.7 US tons

Inventory rating42.9 US tons

Structure

Structure typeSlab

MaterialConcrete Continuous

DeckConcrete, cast-in-place

Main spans3

Design loadHL 93

Structure length90 ft (27.4 m)

Longest span35 ft (10.7 m)

Deck width33 ft (10.1 m)

Roadway width31 ft (9.3 m)

Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic697 (2022)

Projected traffic697 by 2043

Trucks11%

Lanes on structure2

Traffic directionTwo-way traffic

CarriesHighway

CrossesWaterway

Detour if closed1.9 mi (3 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 proposedOther structural work, including hydraulic replacements

Estimated improvement cost—

NavigationNot applicable (no waterway)

Frequently asked questions

When was FM over Doud Creek built?

It was built in 2010, making it 15 years old in 2025.

What condition is FM over Doud 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 2023.

How much traffic does FM over Doud Creek carry?

About 697 vehicles per day (2022 count), of which roughly 11% are trucks.

How long is FM over Doud Creek?

The structure is 90 ft (27.4 m) long with a longest span of 35 ft (10.7 m) and a deck 33 ft wide.

Who owns FM over Doud Creek?

It is owned by the County Highway Agency.