US Bridges

FM over Small Stream

Good

Butler County, Iowa · 092171903 · Structure no. 000000000088761

Built
2005
20 years old
Condition
Good
inspected April 2024
Type
Culvert
Concrete Continuous
Length
24 ft
2 main spans
Daily traffic
304
2022 count
Owner
County
County Highway Agency

About this bridge

FM over Small Stream is a concrete continuous culvert carrying FM over Small Stream in Butler County, Iowa. It was built in 2005, so it is 20 years old, younger than the Iowa average of 45.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 304 vehicles a day, projected to reach 304 by 2044. The structure is 24 ft (7.3 m) long. If it were closed, the detour would be 1.9 mi (3 km).

CarriesFM
CrossesSmall Stream
Location092171903
RouteCounty Highway 0
StateIowa
Coordinates42.77393, -92.89327
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection8 Very GoodNo problems noted.
Culvert8 Very GoodNo problems noted.
Last inspectionApril 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.6 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 20
Structure length24 ft (7.3 m)
Longest span11 ft (3.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic304 (2022)
Projected traffic304 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$220,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was FM over Small Stream built?

It was built in 2005, making it 20 years old in 2025.

What condition is FM over Small Stream in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in April 2024.

How much traffic does FM over Small Stream carry?

About 304 vehicles per day (2022 count).

How long is FM over Small Stream?

The structure is 24 ft (7.3 m) long with a longest span of 11 ft (3.4 m).

Who owns FM over Small Stream?

It is owned by the County Highway Agency.