US Bridges

Ia 175 over Long Dick Creek

Fair

Hamilton County, Iowa · 1.7 Miles E of JCT I-35 · Structure no. 000000000026570

Built
1937
88 years old
Condition
Fair
inspected March 2024
Type
Culvert
Concrete Continuous
Length
23 ft
2 main spans
Daily traffic
2,180
2022 count
Owner
State
State Highway Agency

About this bridge

Ia 175 over Long Dick Creek is a concrete continuous culvert carrying Ia 175 over Long Dick Creek in Hamilton County, Iowa. It was built in 1937, so it is 88 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 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 2,180 vehicles a day, roughly 15% of them trucks, projected to reach 2,180 by 2042. The structure is 23 ft (7 m) long. If it were closed, the detour would be 9.9 mi (16 km).

CarriesIa 175
CrossesLong Dick Creek
Location1.7 Miles E of JCT I-35
RouteState Highway 175
StateIowa
Coordinates42.31051, -93.53534
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
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating34 US tons
Inventory rating25 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadH 20
Structure length23 ft (7 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,180 (2022)
Projected traffic2,180 by 2042
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 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 Long Dick Creek built?

It was built in 1937, making it 88 years old in 2025.

What condition is Ia 175 over Long Dick Creek 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 March 2024.

How much traffic does Ia 175 over Long Dick Creek carry?

About 2,180 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is Ia 175 over Long Dick Creek?

The structure is 23 ft (7 m) long with a longest span of 10 ft (3 m).

Who owns Ia 175 over Long Dick Creek?

It is owned by the State Highway Agency.