US Bridges

FM over Small Un-Named Creek

Fair

O'Brien County, Iowa · 097421201 · Structure no. 000000000262110

Built
1969
56 years old
Condition
Fair
inspected June 2024
Type
Culvert
Concrete
Length
22 ft
2 main spans
Daily traffic
509
2022 count
Owner
County
County Highway Agency

About this bridge

FM over Small Un-Named Creek is a concrete culvert carrying FM over Small Un-Named Creek in O'Brien County, Iowa. It was built in 1969, so it is 56 years old, older 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 509 vehicles a day, projected to reach 509 by 2044. The structure is 22 ft (6.7 m) long. If it were closed, the detour would be 3.7 mi (6 km).

CarriesFM
CrossesSmall Un-Named Creek
Location097421201
RouteCounty Highway 0
StateIowa
Coordinates43.24434, -95.75598
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 inspectionJune 2024
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
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating45 US tons
Inventory rating22.2 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadUnknown
Structure length22 ft (6.7 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 traffic509 (2022)
Projected traffic509 by 2044
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 Un-Named Creek built?

It was built in 1969, making it 56 years old in 2025.

What condition is FM over Small Un-Named Creek 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 June 2024.

How much traffic does FM over Small Un-Named Creek carry?

About 509 vehicles per day (2022 count).

How long is FM over Small Un-Named Creek?

The structure is 22 ft (6.7 m) long with a longest span of 11 ft (3.4 m).

Who owns FM over Small Un-Named Creek?

It is owned by the County Highway Agency.