US Bridges

F58 200th ST over Small Natural Stream

Good

Scott County, Iowa · 078E20617 · Structure no. 000000000046791

Built
2021
4 years old
Condition
Good
inspected April 2024
Type
Culvert
Concrete Continuous
Length
25 ft
2 main spans
Daily traffic
3,970
2022 count
Owner
County
County Highway Agency

About this bridge

F58 200th ST over Small Natural Stream is a concrete continuous culvert carrying F58 200th ST over Small Natural Stream in Scott County, Iowa. It was built in 2021, so it is 4 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 3,970 vehicles a day, projected to reach 3,970 by 2044. The structure is 25 ft (7.6 m) long. If it were closed, the detour would be 8.1 mi (13 km).

CarriesF58 200th ST
CrossesSmall Natural Stream
Location078E20617
RouteCounty Highway 0
StateIowa
Coordinates41.59647, -90.76497
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 protection8 Very GoodNo problems noted.
Culvert8 Very GoodNo problems noted.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating47.8 US tons
Inventory rating37.1 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHL 93
Structure length25 ft (7.6 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,970 (2022)
Projected traffic3,970 by 2044
Trucks0%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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 F58 200th ST over Small Natural Stream built?

It was built in 2021, making it 4 years old in 2025.

What condition is F58 200th ST over Small Natural 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 April 2024.

How much traffic does F58 200th ST over Small Natural Stream carry?

About 3,970 vehicles per day (2022 count).

How long is F58 200th ST over Small Natural Stream?

The structure is 25 ft (7.6 m) long with a longest span of 12 ft (3.7 m).

Who owns F58 200th ST over Small Natural Stream?

It is owned by the County Highway Agency.