US Bridges

FM over Snow Creek

Good

Osceola County, Iowa · 100421004 · Structure no. 000000000263831

Built
1971
54 years old
Condition
Good
inspected November 2024
Type
Culvert
Concrete Continuous
Length
23 ft
2 main spans
Daily traffic
279
2022 count
Owner
County
County Highway Agency

About this bridge

FM over Snow Creek is a concrete continuous culvert carrying FM over Snow Creek in Osceola County, Iowa. It was built in 1971, so it is 54 years old, older 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 279 vehicles a day, roughly 29% of them trucks, projected to reach 279 by 2044. The structure is 23 ft (7 m) long. If it were closed, the detour would be 3.1 mi (5 km).

CarriesFM
CrossesSnow Creek
Location100421004
RouteCounty Highway 0
StateIowa
Coordinates43.49672, -95.80121
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating36 US tons
Inventory rating27.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 20
Structure length23 ft (7 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic279 (2022)
Projected traffic279 by 2044
Trucks29%
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was FM over Snow Creek built?

It was built in 1971, making it 54 years old in 2025.

What condition is FM over Snow Creek 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 November 2024.

How much traffic does FM over Snow Creek carry?

About 279 vehicles per day (2022 count), of which roughly 29% are trucks.

How long is FM over Snow Creek?

The structure is 23 ft (7 m) long with a longest span of 10 ft (3 m).

Who owns FM over Snow Creek?

It is owned by the County Highway Agency.