US Bridges

Ia 333 over Drainage Ditch

Fair

Fremont County, Iowa · 0.3 Mi. E of JCT.29 · Structure no. 000000000159170

Built
1961
64 years old
Condition
Fair
inspected January 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
69 ft
1 main span
Daily traffic
1,420
2022 count
Owner
State
State Highway Agency

About this bridge

Ia 333 over Drainage Ditch is a prestressed concrete stringer/multi-beam or girder carrying Ia 333 over Drainage Ditch in Fremont County, Iowa. It was built in 1961, so it is 64 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 1,420 vehicles a day, roughly 13% of them trucks, projected to reach 1,420 by 2044. The structure is 69 ft (21 m) long and 26 ft wide. If it were closed, the detour would be 19.9 mi (32 km).

Location

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CarriesIa 333
CrossesDrainage Ditch
Location0.3 Mi. E of JCT.29
RouteState Highway 333
CountyFremont County
StateIowa
Coordinates40.60066, -95.67333
Functional classRural Minor Arterial

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating76.5 US tons
Inventory rating37.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length69 ft (21 m)
Longest span69 ft (21 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,420 (2022)
Projected traffic1,420 by 2044
Trucks13%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed19.9 mi (32 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Ia 333 over Drainage Ditch built?

It was built in 1961, making it 64 years old in 2025.

What condition is Ia 333 over Drainage Ditch 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 2024.

How much traffic does Ia 333 over Drainage Ditch carry?

About 1,420 vehicles per day (2022 count), of which roughly 13% are trucks.

How long is Ia 333 over Drainage Ditch?

The structure is 69 ft (21 m) long with a longest span of 69 ft (21 m) and a deck 26 ft wide.

Who owns Ia 333 over Drainage Ditch?

It is owned by the State Highway Agency.