FM over Yankee Run

Poor

Cedar County, Iowa · 081010103 · Structure no. 000000000103370

Built: 1940; 85 years old
Condition: Poor; inspected May 2024
Type: Culvert; Concrete Continuous
Length: 25 ft; 2 main spans
Daily traffic: 330; 2021 count
Owner: County; County Highway Agency

About this bridge

FM over Yankee Run is a concrete continuous culvert carrying FM over Yankee Run in Cedar County, Iowa. It was built in 1940, so it is 85 years old, older than the Iowa average of 45.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 3 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 330 vehicles a day, roughly 3% of them trucks, projected to reach 330 by 2044. The structure is 25 ft (7.6 m) long. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesFM

CrossesYankee Run

Location081010103

RouteCounty Highway 0

CountyCedar County

StateIowa

Coordinates41.85387, -90.90081

Functional classRural Minor Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

Component	Rating	Meaning
Channel and channel protection	5 Fair	All primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert	3 Serious	Loss of section, deterioration, spalling or scour have seriously affected primary structural components.

Last inspectionMay 2024

Inspection intervalevery 12 months

Operating statusOpen, no restriction

ScourFoundations stable; scour above top of footing

Structural evaluation3: Basically intolerable, requiring high priority of corrective action

Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is

Approach roadway alignment7: Better than present minimum criteria

Operating rating24.9 US tons

Inventory rating14.9 US tons

Structure

Structure typeCulvert

MaterialConcrete Continuous

DeckNot applicable

Main spans2

Design loadUnknown

Structure length25 ft (7.6 m)

Longest span12 ft (3.7 m)

Deck width0 ft (0 m)

Roadway width0 ft (0 m)

Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic330 (2021)

Projected traffic330 by 2044

Trucks3%

Lanes on structure2

Traffic directionTwo-way traffic

CarriesHighway

CrossesWaterway

Detour if closed1.2 mi (2 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 Yankee Run built?

It was built in 1940, making it 85 years old in 2025.

What condition is FM over Yankee Run in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in May 2024.

How much traffic does FM over Yankee Run carry?

About 330 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is FM over Yankee Run?

The structure is 25 ft (7.6 m) long with a longest span of 12 ft (3.7 m).

Who owns FM over Yankee Run?

It is owned by the County Highway Agency.