US Bridges

190 TH over Hardin Creek

Good

Greene County, Iowa · 084302001 · Structure no. 000000000162531

Built
1983
42 years old
Condition
Good
inspected June 2024
Type
Culvert
Concrete
Length
27 ft
2 main spans
Daily traffic
50
2022 count
Owner
County
County Highway Agency

About this bridge

190 TH over Hardin Creek is a concrete culvert carrying 190 TH over Hardin Creek in Greene County, Iowa. It was built in 1983, so it is 42 years old, younger than the Iowa average of 45.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 50 vehicles a day, projected to reach 50 by 2044. The structure is 27 ft (8.2 m) long. If it were closed, the detour would be 3.1 mi (5 km).

Carries190 TH
CrossesHardin Creek
Location084302001
RouteCounty Highway 0
StateIowa
Coordinates42.07808, -94.37088
Functional classRural Minor Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating50.4 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length27 ft (8.2 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2022)
Projected traffic50 by 2044
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was 190 TH over Hardin Creek built?

It was built in 1983, making it 42 years old in 2025.

What condition is 190 TH over Hardin Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in June 2024.

How much traffic does 190 TH over Hardin Creek carry?

About 50 vehicles per day (2022 count).

How long is 190 TH over Hardin Creek?

The structure is 27 ft (8.2 m) long with a longest span of 12 ft (3.7 m).

Who owns 190 TH over Hardin Creek?

It is owned by the County Highway Agency.