US Bridges

FM 1920 260 ST over East Iowa River

Fair

Hancock County, Iowa · 096231801 · Structure no. 000000000173760

Built
1964
61 years old
Condition
Fair
inspected March 2024
Type
Slab
Concrete Continuous
Length
78 ft
3 main spans
Daily traffic
210
2022 count
Owner
County
County Highway Agency

About this bridge

FM 1920 260 ST over East Iowa River is a concrete continuous slab carrying FM 1920 260 ST over East Iowa River in Hancock County, Iowa. It was built in 1964, so it is 61 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.

It carries about 210 vehicles a day, roughly 15% of them trucks, projected to reach 210 by 2044. The structure is 78 ft (23.8 m) long and 30 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesFM 1920 260 ST
CrossesEast Iowa River
Location096231801
RouteCounty Highway 0
StateIowa
Coordinates43.14119, -93.61269
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 inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating49.5 US tons
Inventory rating28.7 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length78 ft (23.8 m)
Longest span39 ft (11.9 m)
Deck width30 ft (9.1 m)
Roadway width28 ft (8.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic210 (2022)
Projected traffic210 by 2044
Trucks15%
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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was FM 1920 260 ST over East Iowa River built?

It was built in 1964, making it 61 years old in 2025.

What condition is FM 1920 260 ST 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 March 2024.

How much traffic does FM 1920 260 ST over East Iowa River carry?

About 210 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is FM 1920 260 ST over East Iowa River?

The structure is 78 ft (23.8 m) long with a longest span of 39 ft (11.9 m) and a deck 30 ft wide.

Who owns FM 1920 260 ST over East Iowa River?

It is owned by the County Highway Agency.