US Bridges

200th ST over I-29

Fair

Fremont County, Iowa · 5.4 Mi. N of Jct. Ia 2 · Structure no. 000000000600140

Built
1972
53 years old
Condition
Fair
inspected January 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
268 ft
4 main spans
Daily traffic
399
2022 count
Owner
State
State Highway Agency

About this bridge

200th ST over I-29 is a prestressed concrete stringer/multi-beam or girder carrying 200th ST over I-29 in Fremont County, Iowa. It was built in 1972, so it is 53 years old, older 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 5 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 399 vehicles a day, roughly 12% of them trucks, projected to reach 399 by 2043. The structure is 268 ft (81.7 m) long and 35 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
Carries200th ST
CrossesI-29
Location5.4 Mi. N of Jct. Ia 2
RouteCounty Highway 0
CountyFremont County
StateIowa
Coordinates40.75832, -95.81776
Functional classRural Minor Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionJanuary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating92.3 US tons
Inventory rating35.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length268 ft (81.7 m)
Longest span92 ft (28 m)
Deck width35 ft (10.8 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic399 (2022)
Projected traffic399 by 2043
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was 200th ST over I-29 built?

It was built in 1972, making it 53 years old in 2025.

What condition is 200th ST over I-29 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 January 2023.

How much traffic does 200th ST over I-29 carry?

About 399 vehicles per day (2022 count), of which roughly 12% are trucks.

How long is 200th ST over I-29?

The structure is 268 ft (81.7 m) long with a longest span of 92 ft (28 m) and a deck 35 ft wide.

Who owns 200th ST over I-29?

It is owned by the State Highway Agency.