US Bridges

FM over Solferino Creek

Good

Lee County, Iowa · 066051304 · Structure no. 000000000217970

Built
1978
47 years old
Condition
Good
inspected January 2024
Type
Culvert
Concrete Continuous
Length
31 ft
2 main spans
Daily traffic
370
2022 count
Owner
County
County Highway Agency

About this bridge

FM over Solferino Creek is a concrete continuous culvert carrying FM over Solferino Creek in Lee County, Iowa. It was built in 1978, so it is 47 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 370 vehicles a day, roughly 5% of them trucks, projected to reach 370 by 2044. The structure is 31 ft (9.4 m) long. If it were closed, the detour would be 3.7 mi (6 km).

CarriesFM
CrossesSolferino Creek
Location066051304
RouteCounty Highway 0
StateIowa
Coordinates40.52167, -91.38897
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 protection3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Culvert7 GoodSome minor problems.
Last inspectionJanuary 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 adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating29.9 US tons
Inventory rating17.9 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadUnknown
Structure length31 ft (9.4 m)
Longest span14 ft (4.3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic370 (2022)
Projected traffic370 by 2044
Trucks5%
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was FM over Solferino Creek built?

It was built in 1978, making it 47 years old in 2025.

What condition is FM over Solferino 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 January 2024.

How much traffic does FM over Solferino Creek carry?

About 370 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is FM over Solferino Creek?

The structure is 31 ft (9.4 m) long with a longest span of 14 ft (4.3 m).

Who owns FM over Solferino Creek?

It is owned by the County Highway Agency.