US Bridges

FM over Small Stream

PoorPosted for load

Taylor County, Iowa · 069342603 · Structure no. 000000000322920

Built
1938
87 years old
Condition
Poor
inspected May 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
35 ft
1 main span
Daily traffic
139
2021 count
Owner
County
County Highway Agency

About this bridge

FM over Small Stream is a steel stringer/multi-beam or girder carrying FM over Small Stream in Taylor County, Iowa. It was built in 1938, so it is 87 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 139 vehicles a day, roughly 22% of them trucks, projected to reach 139 by 2043. The structure is 35 ft (10.7 m) long and 26 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesFM
CrossesSmall Stream
Location069342603
RouteCounty Highway 0
StateIowa
Coordinates40.75558, -94.72317
Functional classRural Major 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
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
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 inspectionMay 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating38.3 US tons
Inventory rating22.8 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length35 ft (10.7 m)
Longest span32 ft (9.8 m)
Deck width26 ft (7.8 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic139 (2021)
Projected traffic139 by 2043
Trucks22%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was FM over Small Stream built?

It was built in 1938, making it 87 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 May 2023.

How much traffic does FM over Small Stream carry?

About 139 vehicles per day (2021 count), of which roughly 22% are trucks.

How long is FM over Small Stream?

The structure is 35 ft (10.7 m) long with a longest span of 32 ft (9.8 m) and a deck 26 ft wide.

Who owns FM over Small Stream?

It is owned by the County Highway Agency.