US Bridges

Ia 175 over Drainage Ditch #52

Poor

Webster County, Iowa · 0.8 Mi. E of JCT SR P29 · Structure no. 000000000052350

Built
1953
72 years old
Condition
Poor
inspected November 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
32 ft
1 main span
Daily traffic
880
2022 count
Owner
State
State Highway Agency

About this bridge

Ia 175 over Drainage Ditch #52 is a steel stringer/multi-beam or girder carrying Ia 175 over Drainage Ditch #52 in Webster County, Iowa. It was built in 1953, so it is 72 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.

It carries about 880 vehicles a day, roughly 22% of them trucks, projected to reach 880 by 2042. The structure is 32 ft (9.8 m) long and 35 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesIa 175
CrossesDrainage Ditch #52
Location0.8 Mi. E of JCT SR P29
RouteState Highway 175
CountyWebster County
StateIowa
Coordinates42.26723, -94.36415
Functional classRural Minor Arterial

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
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating71 US tons
Inventory rating42.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length32 ft (9.8 m)
Longest span29 ft (8.8 m)
Deck width35 ft (10.6 m)
Roadway width30 ft (9.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic880 (2022)
Projected traffic880 by 2042
Trucks22%
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

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 175 over Drainage Ditch #52 built?

It was built in 1953, making it 72 years old in 2025.

What condition is Ia 175 over Drainage Ditch #52 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 November 2023.

How much traffic does Ia 175 over Drainage Ditch #52 carry?

About 880 vehicles per day (2022 count), of which roughly 22% are trucks.

How long is Ia 175 over Drainage Ditch #52?

The structure is 32 ft (9.8 m) long with a longest span of 29 ft (8.8 m) and a deck 35 ft wide.

Who owns Ia 175 over Drainage Ditch #52?

It is owned by the State Highway Agency.