US Bridges

200th ST over Little Turkey River

Fair

Howard County, Iowa · 097121303 · Structure no. 000000000181771

Built
1992
33 years old
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
122 ft
4 main spans
Daily traffic
51
2022 count
Owner
County
County Highway Agency

About this bridge

200th ST over Little Turkey River is a wood or timber stringer/multi-beam or girder carrying 200th ST over Little Turkey River in Howard County, Iowa. It was built in 1992, so it is 33 years old, younger than the Iowa average of 45.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 51 vehicles a day, projected to reach 51 by 2043. The structure is 122 ft (37.2 m) long and 25 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Carries200th ST
CrossesLittle Turkey River
Location097121303
RouteCounty Highway 0
StateIowa
Coordinates43.2275, -92.20723
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating40.9 US tons
Inventory rating29.7 US tons

Structure

MaterialWood or Timber
DeckWood or timber
Main spans4
Design loadHS 20
Structure length122 ft (37.2 m)
Longest span28 ft (8.5 m)
Deck width25 ft (7.6 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic51 (2022)
Projected traffic51 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was 200th ST over Little Turkey River built?

It was built in 1992, making it 33 years old in 2025.

What condition is 200th ST over Little Turkey River in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in May 2023.

How much traffic does 200th ST over Little Turkey River carry?

About 51 vehicles per day (2022 count).

How long is 200th ST over Little Turkey River?

The structure is 122 ft (37.2 m) long with a longest span of 28 ft (8.5 m) and a deck 25 ft wide.

Who owns 200th ST over Little Turkey River?

It is owned by the County Highway Agency.