US Bridges

197th ST over Stream

Good

Union County, Iowa · 072282307 · Structure no. 000000000325401

Built
2017
8 years old
Condition
Good
inspected October 2024
Type
Slab
Steel
Length
57 ft
2 main spans
Daily traffic
15
2022 count
Owner
County
County Highway Agency

About this bridge

197th ST over Stream is a steel slab carrying 197th ST over Stream in Union County, Iowa. It was built in 2017, so it is 8 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 15 vehicles a day, projected to reach 15 by 2044. The structure is 57 ft (17.4 m) long and 25 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
Carries197th ST
CrossesStream
Location072282307
RouteCounty Highway 0
CountyUnion County
StateIowa
Coordinates41.01614, -94.03573
Functional classRural Local

Condition and inspection

Good

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment7: Better than present minimum criteria
Operating rating110.1 US tons
Inventory rating82.5 US tons

Structure

Structure typeSlab
MaterialSteel
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length57 ft (17.4 m)
Longest span29 ft (8.7 m)
Deck width25 ft (7.6 m)
Roadway width25 ft (7.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15 (2022)
Projected traffic15 by 2044
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was 197th ST over Stream built?

It was built in 2017, making it 8 years old in 2025.

What condition is 197th ST over Stream 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 October 2024.

How much traffic does 197th ST over Stream carry?

About 15 vehicles per day (2022 count).

How long is 197th ST over Stream?

The structure is 57 ft (17.4 m) long with a longest span of 29 ft (8.7 m) and a deck 25 ft wide.

Who owns 197th ST over Stream?

It is owned by the County Highway Agency.