US Bridges

200th ST over Small Stream

Good

Plymouth County, Iowa · 092492501 · Structure no. 000000000275931

Built
1986
39 years old
Condition
Good
inspected September 2023
Type
Culvert
Concrete
Length
26 ft
2 main spans
Daily traffic
40
2022 count
Owner
County
County Highway Agency

About this bridge

200th ST over Small Stream is a concrete culvert carrying 200th ST over Small Stream in Plymouth County, Iowa. It was built in 1986, so it is 39 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 40 vehicles a day, projected to reach 40 by 2043. The structure is 26 ft (7.9 m) long. If it were closed, the detour would be 1.9 mi (3 km).

Carries200th ST
CrossesSmall Stream
Location092492501
RouteCounty Highway 0
StateIowa
Coordinates42.76493, -96.56903
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 protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 24 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 alignment8: Equal to present desirable criteria
Operating rating58.6 US tons
Inventory rating35.2 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length26 ft (7.9 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 traffic40 (2022)
Projected traffic40 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$135,000
NavigationNo navigation control on waterway

Frequently asked questions

When was 200th ST over Small Stream built?

It was built in 1986, making it 39 years old in 2025.

What condition is 200th ST over Small 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 September 2023.

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

About 40 vehicles per day (2022 count).

How long is 200th ST over Small Stream?

The structure is 26 ft (7.9 m) long with a longest span of 12 ft (3.7 m).

Who owns 200th ST over Small Stream?

It is owned by the County Highway Agency.