US Bridges

FM over Small Stream

PoorPosted for load

Butler County, Iowa · 091181802 · Structure no. 000000000088110

Built
1964
61 years old
Condition
Poor
inspected March 2023
Type
Slab
Concrete Continuous
Length
259 ft
7 main spans
Daily traffic
49
2022 count
Owner
County
County Highway Agency

About this bridge

FM over Small Stream is a concrete continuous slab carrying FM over Small Stream in Butler County, Iowa. It was built in 1964, so it is 61 years old, older than the Iowa average of 45.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 49 vehicles a day, projected to reach 49 by 2043. The structure is 259 ft (78.9 m) long and 22 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesFM
CrossesSmall Stream
Location091181802
RouteCounty Highway 0
CountyButler County
StateIowa
Coordinates42.70055, -93.02616
Functional classRural Minor Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating31 US tons
Inventory rating17.9 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans7
Design loadH 15
Structure length259 ft (78.9 m)
Longest span39 ft (11.9 m)
Deck width22 ft (6.7 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic49 (2022)
Projected traffic49 by 2043
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$2.6 million
NavigationNo navigation control on waterway

Frequently asked questions

When was FM over Small Stream built?

It was built in 1964, making it 61 years old in 2025.

What condition is FM over Small Stream in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in March 2023.

How much traffic does FM over Small Stream carry?

About 49 vehicles per day (2022 count).

How long is FM over Small Stream?

The structure is 259 ft (78.9 m) long with a longest span of 39 ft (11.9 m) and a deck 22 ft wide.

Who owns FM over Small Stream?

It is owned by the County Highway Agency.