US Bridges

190 TH over Stream

Fair

Greene County, Iowa · 084321901 · Structure no. 000000000162871

Built
1991
34 years old
Condition
Fair
inspected May 2024
Type
Slab
Concrete Continuous
Length
88 ft
3 main spans
Daily traffic
30
2022 count
Owner
County
County Highway Agency

About this bridge

190 TH over Stream is a concrete continuous slab carrying 190 TH over Stream in Greene County, Iowa. It was built in 1991, so it is 34 years old, younger 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 30 vehicles a day, roughly 7% of them trucks, projected to reach 30 by 2043. The structure is 88 ft (26.8 m) long and 27 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Carries190 TH
CrossesStream
Location084321901
RouteCounty Highway 0
StateIowa
Coordinates42.07811, -94.6152
Functional classRural Local

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating84.9 US tons
Inventory rating50.8 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length88 ft (26.8 m)
Longest span34 ft (10.4 m)
Deck width27 ft (8.3 m)
Roadway width25 ft (7.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic30 (2022)
Projected traffic30 by 2043
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 Stream built?

It was built in 1991, making it 34 years old in 2025.

What condition is 190 TH over Stream 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 May 2024.

How much traffic does 190 TH over Stream carry?

About 30 vehicles per day (2022 count), of which roughly 7% are trucks.

How long is 190 TH over Stream?

The structure is 88 ft (26.8 m) long with a longest span of 34 ft (10.4 m) and a deck 27 ft wide.

Who owns 190 TH over Stream?

It is owned by the County Highway Agency.