FM over North Chariton

Good

Wayne County, Iowa · 070231901 · Structure no. 000000000341251

Built: 2008; 17 years old
Condition: Good; inspected October 2023
Type: Slab; Concrete Continuous
Length: 73 ft; 3 main spans
Daily traffic: 520; 2022 count
Owner: County; County Highway Agency

About this bridge

FM over North Chariton is a concrete continuous slab carrying FM over North Chariton in Wayne County, Iowa. It was built in 2008, so it is 17 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 520 vehicles a day, projected to reach 520 by 2043. The structure is 73 ft (22.3 m) long and 33 ft wide. If it were closed, the detour would be 44.1 mi (71 km).

Location

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CarriesFM

CrossesNorth Chariton

Location070231901

RouteCounty Highway 0

CountyWayne County

StateIowa

Coordinates40.856, -93.54221

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	7 Good	Some minor problems.

Last inspectionOctober 2023

Inspection intervalevery 48 months

Operating statusOpen, no restriction

ScourFoundations stable; scour above top of footing

Structural evaluation8: Equal to present desirable criteria

Deck geometry6: Equal to present minimum criteria

Waterway adequacy8: Equal to present desirable criteria

Approach roadway alignment8: Equal to present desirable criteria

Operating rating76.8 US tons

Inventory rating46.1 US tons

Structure

Structure typeSlab

MaterialConcrete Continuous

DeckConcrete, cast-in-place

Main spans3 (+3 approach)

Design loadHL 93

Structure length73 ft (22.3 m)

Longest span28 ft (8.5 m)

Deck width33 ft (10.1 m)

Roadway width31 ft (9.3 m)

Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic520 (2022)

Projected traffic520 by 2043

Trucks0%

Lanes on structure2

Traffic directionTwo-way traffic

CarriesHighway

CrossesWaterway

Detour if closed44.1 mi (71 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—

NavigationNo navigation control on waterway

Frequently asked questions

When was FM over North Chariton built?

It was built in 2008, making it 17 years old in 2025.

What condition is FM over North Chariton 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 October 2023.

How much traffic does FM over North Chariton carry?

About 520 vehicles per day (2022 count).

How long is FM over North Chariton?

The structure is 73 ft (22.3 m) long with a longest span of 28 ft (8.5 m) and a deck 33 ft wide.

Who owns FM over North Chariton?

It is owned by the County Highway Agency.