US Bridges

FM over Small

Fair

Jackson County, Iowa · 086E40704 · Structure no. 000000000194541

Built
1983
42 years old, rebuilt 2014
Condition
Fair
inspected March 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
21 ft
1 main span
Daily traffic
120
2021 count
Owner
County
County Highway Agency

About this bridge

FM over Small is a steel stringer/multi-beam or girder carrying FM over Small in Jackson County, Iowa. It was built in 1983 and reconstructed in 2014, so it is 42 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 120 vehicles a day, projected to reach 120 by 2043. The structure is 21 ft (6.4 m) long and 21 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

Location

Open in Google Maps
CarriesFM
CrossesSmall
Location086E40704
RouteCounty Highway 0
CountyJackson County
StateIowa
Coordinates42.27479, -90.53201
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
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 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 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 rating86.8 US tons
Inventory rating66.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckWood or timber
Main spans1
Design loadHS 20
Structure length21 ft (6.4 m)
Longest span20 ft (6.1 m)
Deck width21 ft (6.4 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic120 (2021)
Projected traffic120 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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 proposedWidening with deck rehabilitation or replacement
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was FM over Small built?

It was built in 1983, making it 42 years old in 2025. It was reconstructed in 2014.

What condition is FM 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 over Small carry?

About 120 vehicles per day (2021 count).

How long is FM over Small?

The structure is 21 ft (6.4 m) long with a longest span of 20 ft (6.1 m) and a deck 21 ft wide.

Who owns FM over Small?

It is owned by the County Highway Agency.