US Bridges

140th ST over West Branch Ia River

Good

Hancock County, Iowa · 094241701 · Structure no. 000000000172681

Built
2016
9 years old
Condition
Good
inspected April 2023
Type
Slab
Concrete Continuous
Length
151 ft
3 main spans
Daily traffic
36
2021 count
Owner
County
County Highway Agency

About this bridge

140th ST over West Branch Ia River is a concrete continuous slab carrying 140th ST over West Branch Ia River in Hancock County, Iowa. It was built in 2016, so it is 9 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 36 vehicles a day, projected to reach 36 by 2043. The structure is 151 ft (46 m) long and 27 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
Carries140th ST
CrossesWest Branch Ia River
Location094241701
RouteCounty Highway 0
CountyHancock County
StateIowa
Coordinates42.96669, -93.7066
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 protection8 Very GoodNo problems noted.
Last inspectionApril 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating56.8 US tons
Inventory rating44 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length151 ft (46 m)
Longest span59 ft (18 m)
Deck width27 ft (8.3 m)
Roadway width25 ft (7.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic36 (2021)
Projected traffic36 by 2043
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 140th ST over West Branch Ia River built?

It was built in 2016, making it 9 years old in 2025.

What condition is 140th ST over West 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 April 2023.

How much traffic does 140th ST over West Branch Ia River carry?

About 36 vehicles per day (2021 count).

How long is 140th ST over West Branch Ia River?

The structure is 151 ft (46 m) long with a longest span of 59 ft (18 m) and a deck 27 ft wide.

Who owns 140th ST over West Branch Ia River?

It is owned by the County Highway Agency.