US Bridges

1770 190th ST over East Branch Ia River

Good

Hancock County, Iowa · 095242301 · Structure no. 000000000173301

Built
1993
32 years old
Condition
Good
inspected March 2024
Type
Slab
Concrete Continuous
Length
144 ft
3 main spans
Daily traffic
50
2022 count
Owner
County
County Highway Agency

About this bridge

1770 190th ST over East Branch Ia River is a concrete continuous slab carrying 1770 190th ST over East Branch Ia River in Hancock County, Iowa. It was built in 1993, so it is 32 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 144 ft (43.9 m) long and 27 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Carries1770 190th ST
CrossesEast Branch Ia River
Location095242301
RouteCounty Highway 0
StateIowa
Coordinates43.03854, -93.64263
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.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating62.3 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length144 ft (43.9 m)
Longest span54 ft (16.5 m)
Deck width27 ft (8.3 m)
Roadway width25 ft (7.5 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 closed1.9 mi (3 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$30,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was 1770 190th ST over East Branch Ia River built?

It was built in 1993, making it 32 years old in 2025.

What condition is 1770 190th ST over East Branch Ia River 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 March 2024.

How much traffic does 1770 190th ST over East Branch Ia River carry?

About 50 vehicles per day (2022 count).

How long is 1770 190th ST over East Branch Ia River?

The structure is 144 ft (43.9 m) long with a longest span of 54 ft (16.5 m) and a deck 27 ft wide.

Who owns 1770 190th ST over East Branch Ia River?

It is owned by the County Highway Agency.