US Bridges

200th ST over Drainage

Good

Plymouth County, Iowa · 092462603 · Structure no. 000000000275031

Built
2006
19 years old
Condition
Good
inspected July 2023
Type
Stringer/Multi-beam or Girder
Concrete
Length
46 ft
1 main span
Daily traffic
71
2022 count
Owner
County
County Highway Agency

About this bridge

200th ST over Drainage is a concrete stringer/multi-beam or girder carrying 200th ST over Drainage in Plymouth County, Iowa. It was built in 2006, so it is 19 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 71 vehicles a day, projected to reach 71 by 2043. The structure is 46 ft (14 m) long and 31 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Carries200th ST
CrossesDrainage
Location092462603
RouteCounty Highway 0
StateIowa
Coordinates42.76433, -96.24704
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61 US tons
Inventory rating37 US tons

Structure

MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length46 ft (14 m)
Longest span46 ft (14 m)
Deck width31 ft (9.6 m)
Roadway width31 ft (9.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic71 (2022)
Projected traffic71 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 statusPossibly eligible for the National Register; requires further investigation
Work proposedNone recorded
Estimated improvement cost$215,000
NavigationNo navigation control on waterway

Frequently asked questions

When was 200th ST over Drainage built?

It was built in 2006, making it 19 years old in 2025.

What condition is 200th ST over Drainage 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 July 2023.

How much traffic does 200th ST over Drainage carry?

About 71 vehicles per day (2022 count).

How long is 200th ST over Drainage?

The structure is 46 ft (14 m) long with a longest span of 46 ft (14 m) and a deck 31 ft wide.

Who owns 200th ST over Drainage?

It is owned by the County Highway Agency.