US Bridges

FM over East Iowa River

Fair

Hancock County, Iowa · 097243504 · Structure no. 000000000174271

Built
1975
50 years old
Condition
Fair
inspected April 2023
Type
Slab
Concrete Continuous
Length
68 ft
3 main spans
Daily traffic
133
2021 count
Owner
County
County Highway Agency

About this bridge

FM over East Iowa River is a concrete continuous slab carrying FM over East Iowa River in Hancock County, Iowa. It was built in 1975, so it is 50 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 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 133 vehicles a day, roughly 16% of them trucks, projected to reach 133 by 2043. The structure is 68 ft (20.7 m) long and 32 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesFM
CrossesEast Iowa River
Location097243504
RouteCounty Highway 0
CountyHancock County
StateIowa
Coordinates43.18043, -93.65578
Functional classRural Major 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating57.1 US tons
Inventory rating34.2 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length68 ft (20.7 m)
Longest span26 ft (7.9 m)
Deck width32 ft (9.8 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic133 (2021)
Projected traffic133 by 2043
Trucks16%
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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was FM over East Iowa River built?

It was built in 1975, making it 50 years old in 2025.

What condition is FM over East Iowa 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 April 2023.

How much traffic does FM over East Iowa River carry?

About 133 vehicles per day (2021 count), of which roughly 16% are trucks.

How long is FM over East Iowa River?

The structure is 68 ft (20.7 m) long with a longest span of 26 ft (7.9 m) and a deck 32 ft wide.

Who owns FM over East Iowa River?

It is owned by the County Highway Agency.