US Bridges

FM over Chariton River

FairPosted for load

Wayne County, Iowa · 070223404 · Structure no. 000000000341130

Built
1959
66 years old
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Concrete Continuous
Length
178 ft
3 main spans
Daily traffic
70
2022 count
Owner
County
County Highway Agency

About this bridge

FM over Chariton River is a concrete continuous stringer/multi-beam or girder carrying FM over Chariton River in Wayne County, Iowa. It was built in 1959, so it is 66 years old, older than the Iowa average of 45.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 70 vehicles a day, projected to reach 70 by 2043. The structure is 178 ft (54.3 m) long and 23 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesFM
CrossesChariton River
Location070223404
RouteCounty Highway 0
StateIowa
Coordinates40.81207, -93.38438
Functional classRural Minor Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating32.2 US tons
Inventory rating10.3 US tons

Structure

MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length178 ft (54.3 m)
Longest span70 ft (21.3 m)
Deck width23 ft (6.9 m)
Roadway width20 ft (6.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic70 (2022)
Projected traffic70 by 2043
Trucks0%
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was FM over Chariton River built?

It was built in 1959, making it 66 years old in 2025.

What condition is FM over Chariton River in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in October 2023.

How much traffic does FM over Chariton River carry?

About 70 vehicles per day (2022 count).

How long is FM over Chariton River?

The structure is 178 ft (54.3 m) long with a longest span of 70 ft (21.3 m) and a deck 23 ft wide.

Who owns FM over Chariton River?

It is owned by the County Highway Agency.