US Bridges

FM over Small

Fair

Bremer County, Iowa · 091120302 · Structure no. 000000000363195

Built
1989
36 years old
Condition
Fair
inspected April 2023
Type
Culvert
Concrete
Length
20 ft
1 main span
Daily traffic
687
2022 count
Owner
County
County Highway Agency

About this bridge

FM over Small is a concrete culvert carrying FM over Small in Bremer County, Iowa. It was built in 1989, so it is 36 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 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 687 vehicles a day, roughly 13% of them trucks, projected to reach 687 by 2043. The structure is 20 ft (6.1 m) long. If it were closed, the detour would be 1.9 mi (3 km).

CarriesFM
CrossesSmall
Location091120302
RouteCounty Highway 0
StateIowa
Coordinates42.71885, -92.25827
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
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
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
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating36 US tons
Inventory rating27 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadH 20
Structure length20 ft (6.1 m)
Longest span20 ft (6.1 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic687 (2022)
Projected traffic687 by 2043
Trucks13%
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 over Small built?

It was built in 1989, making it 36 years old in 2025.

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 April 2023.

How much traffic does FM over Small carry?

About 687 vehicles per day (2022 count), of which roughly 13% are trucks.

How long is FM over Small?

The structure is 20 ft (6.1 m) long with a longest span of 20 ft (6.1 m).

Who owns FM over Small?

It is owned by the County Highway Agency.