US Bridges

200th ST over Clear Creek

PoorPosted for load

Plymouth County, Iowa · 092433003 · Structure no. 000000000274130

Built
1946
79 years old, rebuilt 1965
Condition
Poor
inspected April 2024
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
33 ft
2 main spans
Daily traffic
5
2022 count
Owner
County
County Highway Agency

About this bridge

200th ST over Clear Creek is a wood or timber stringer/multi-beam or girder carrying 200th ST over Clear Creek in Plymouth County, Iowa. It was built in 1946 and reconstructed in 1965, so it is 79 years old, older than the Iowa average of 45.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 5 vehicles a day, projected to reach 5 by 2044. The structure is 33 ft (10.1 m) long and 16 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Carries200th ST
CrossesClear Creek
Location092433003
RouteCounty Highway 0
StateIowa
Coordinates42.76448, -95.9685
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionApril 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating34.3 US tons
Inventory rating23.9 US tons

Structure

MaterialWood or Timber
DeckWood or timber
Main spans2
Design loadHS 20
Structure length33 ft (10.1 m)
Longest span18 ft (5.5 m)
Deck width16 ft (5 m)
Roadway width16 ft (4.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5 (2022)
Projected traffic5 by 2044
Trucks0%
Lanes on structure1
Traffic directionOne-lane bridge for two-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—
NavigationNo navigation control on waterway

Frequently asked questions

When was 200th ST over Clear Creek built?

It was built in 1946, making it 79 years old in 2025. It was reconstructed in 1965.

What condition is 200th ST over Clear Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in April 2024.

How much traffic does 200th ST over Clear Creek carry?

About 5 vehicles per day (2022 count).

How long is 200th ST over Clear Creek?

The structure is 33 ft (10.1 m) long with a longest span of 18 ft (5.5 m) and a deck 16 ft wide.

Who owns 200th ST over Clear Creek?

It is owned by the County Highway Agency.