US Bridges

FM 440th ST over Small

Fair

Clay County, Iowa · 095373201 · Structure no. 000000000116351

Built
1988
37 years old
Condition
Fair
inspected March 2023
Type
Slab
Concrete
Length
33 ft
1 main span
Daily traffic
469
2022 count
Owner
County
County Highway Agency

About this bridge

FM 440th ST over Small is a concrete slab carrying FM 440th ST over Small in Clay County, Iowa. It was built in 1988, so it is 37 years old, younger 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 469 vehicles a day, roughly 21% of them trucks, projected to reach 469 by 2043. The structure is 33 ft (10.1 m) long and 32 ft wide.

Location

Open in Google Maps
CarriesFM 440th ST
CrossesSmall
Location095373201
RouteCounty Highway 0
CountyClay County
StateIowa
Coordinates43.01054, -95.23322
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
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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMarch 2023
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 alignment8: Equal to present desirable criteria
Operating rating65.7 US tons
Inventory rating36 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length33 ft (10.1 m)
Longest span30 ft (9.1 m)
Deck width32 ft (9.8 m)
Roadway width31 ft (9.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic469 (2022)
Projected traffic469 by 2043
Trucks21%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was FM 440th ST over Small built?

It was built in 1988, making it 37 years old in 2025.

What condition is FM 440th ST over Small 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 2023.

How much traffic does FM 440th ST over Small carry?

About 469 vehicles per day (2022 count), of which roughly 21% are trucks.

How long is FM 440th ST over Small?

The structure is 33 ft (10.1 m) long with a longest span of 30 ft (9.1 m) and a deck 32 ft wide.

Who owns FM 440th ST over Small?

It is owned by the County Highway Agency.