US Bridges

FM 1220 260 ST over Drainage Ditch 1&2

Fair

Hancock County, Iowa · 096251301 · Structure no. 000000000173920

Built
1973
52 years old
Condition
Fair
inspected March 2024
Type
Slab
Concrete Continuous
Length
78 ft
3 main spans
Daily traffic
26
2022 count
Owner
County
County Highway Agency

About this bridge

FM 1220 260 ST over Drainage Ditch 1&2 is a concrete continuous slab carrying FM 1220 260 ST over Drainage Ditch 1&2 in Hancock County, Iowa. It was built in 1973, so it is 52 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 26 vehicles a day, projected to reach 26 by 2044. The structure is 78 ft (23.8 m) long and 32 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesFM 1220 260 ST
CrossesDrainage Ditch 1&2
Location096251301
RouteCounty Highway 0
StateIowa
Coordinates43.14112, -93.75065
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating57.8 US tons
Inventory rating36.4 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length78 ft (23.8 m)
Longest span29 ft (8.8 m)
Deck width32 ft (9.8 m)
Roadway width30 ft (9.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic26 (2022)
Projected traffic26 by 2044
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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost$17,000
NavigationNo navigation control on waterway

Frequently asked questions

When was FM 1220 260 ST over Drainage Ditch 1&2 built?

It was built in 1973, making it 52 years old in 2025.

What condition is FM 1220 260 ST over Drainage Ditch 1&2 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 1220 260 ST over Drainage Ditch 1&2 carry?

About 26 vehicles per day (2022 count).

How long is FM 1220 260 ST over Drainage Ditch 1&2?

The structure is 78 ft (23.8 m) long with a longest span of 29 ft (8.8 m) and a deck 32 ft wide.

Who owns FM 1220 260 ST over Drainage Ditch 1&2?

It is owned by the County Highway Agency.