US Bridges

290th ST over Field Stream

Good

Carroll County, Iowa · 082351101 · Structure no. 000000000093591

Built
2000
25 years old
Condition
Good
inspected March 2024
Type
Culvert
Concrete
Length
21 ft
2 main spans
Daily traffic
50
2022 count
Owner
County
County Highway Agency

About this bridge

290th ST over Field Stream is a concrete culvert carrying 290th ST over Field Stream in Carroll 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 50 vehicles a day, projected to reach 50 by 2044. The structure is 21 ft (6.4 m) long. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
Carries290th ST
CrossesField Stream
Location082351101
RouteCounty Highway 0
CountyCarroll County
StateIowa
Coordinates41.93496, -94.88048
Functional classRural Local

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 protection8 Very GoodNo problems noted.
Culvert8 Very GoodNo problems noted.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating97.3 US tons
Inventory rating58.3 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadH 15
Structure length21 ft (6.4 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 traffic50 (2022)
Projected traffic50 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was 290th ST over Field Stream built?

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

What condition is 290th ST over Field Stream 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 March 2024.

How much traffic does 290th ST over Field Stream carry?

About 50 vehicles per day (2022 count).

How long is 290th ST over Field Stream?

The structure is 21 ft (6.4 m) long with a longest span of 10 ft (3 m).

Who owns 290th ST over Field Stream?

It is owned by the County Highway Agency.