US Bridges

FM over Ef Des Moines River

PoorPosted for load

Emmet County, Iowa · 100322401 · Structure no. 000000000148940

Built
1957
68 years old
Condition
Poor
inspected August 2024
Type
Slab
Concrete Continuous
Length
102 ft
3 main spans
Daily traffic
300
2022 count
Owner
County
County Highway Agency

About this bridge

FM over Ef Des Moines River is a concrete continuous slab carrying FM over Ef Des Moines River in Emmet County, Iowa. It was built in 1957, so it is 68 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 4 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. Its operating status is: posted for load restriction.

It carries about 300 vehicles a day, projected to reach 300 by 2044. The structure is 102 ft (31.1 m) long and 23 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesFM
CrossesEf Des Moines River
Location100322401
RouteCounty Highway 0
StateIowa
Coordinates43.47406, -94.5772
Functional classRural Major 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.

ComponentRatingMeaning
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating30.6 US tons
Inventory rating15.7 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length102 ft (31.1 m)
Longest span39 ft (11.9 m)
Deck width23 ft (6.9 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic300 (2022)
Projected traffic300 by 2044
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 Ef Des Moines River built?

It was built in 1957, making it 68 years old in 2025.

What condition is FM over Ef Des Moines River 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 August 2024.

How much traffic does FM over Ef Des Moines River carry?

About 300 vehicles per day (2022 count).

How long is FM over Ef Des Moines River?

The structure is 102 ft (31.1 m) long with a longest span of 39 ft (11.9 m) and a deck 23 ft wide.

Who owns FM over Ef Des Moines River?

It is owned by the County Highway Agency.