US Bridges

FM over Soldier River

Good

Ida County, Iowa · 086392202 · Structure no. 000000000185551

Built
2000
25 years old
Condition
Good
inspected January 2024
Type
Culvert
Concrete Continuous
Length
30 ft
2 main spans
Daily traffic
11
2022 count
Owner
County
County Highway Agency

About this bridge

FM over Soldier River is a concrete continuous culvert carrying FM over Soldier River in Ida County, Iowa. It was built in 2000, so it is 25 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 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 11 vehicles a day, projected to reach 11 by 2044. The structure is 30 ft (9.1 m) long.

CarriesFM
CrossesSoldier River
Location086392202
RouteCounty Highway 0
StateIowa
Coordinates42.25252, -95.38148
Functional classRural Minor 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 protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionJanuary 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating48.6 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 20
Structure length30 ft (9.1 m)
Longest span15 ft (4.6 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11 (2022)
Projected traffic11 by 2044
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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$30,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was FM over Soldier River built?

It was built in 2000, making it 25 years old in 2025.

What condition is FM over Soldier River 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 January 2024.

How much traffic does FM over Soldier River carry?

About 11 vehicles per day (2022 count).

How long is FM over Soldier River?

The structure is 30 ft (9.1 m) long with a longest span of 15 ft (4.6 m).

Who owns FM over Soldier River?

It is owned by the County Highway Agency.