US Bridges

Crane Ave over Boone River

Good

Hancock County, Iowa · 094260902 · Structure no. 000000000172921

Built
2012
13 years old
Condition
Good
inspected April 2023
Type
Slab
Concrete Continuous
Length
93 ft
3 main spans
Daily traffic
15
2021 count
Owner
County
County Highway Agency

About this bridge

Crane Ave over Boone River is a concrete continuous slab carrying Crane Ave over Boone River in Hancock County, Iowa. It was built in 2012, so it is 13 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 2043. The structure is 93 ft (28.3 m) long and 27 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesCrane Ave
CrossesBoone River
Location094260902
RouteCounty Highway 0
StateIowa
Coordinates42.97302, -93.93144
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 above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating53.6 US tons
Inventory rating41.4 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length93 ft (28.3 m)
Longest span35 ft (10.7 m)
Deck width27 ft (8.3 m)
Roadway width25 ft (7.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15 (2021)
Projected traffic15 by 2043
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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Crane Ave over Boone River built?

It was built in 2012, making it 13 years old in 2025.

What condition is Crane Ave over Boone 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 Crane Ave over Boone River carry?

About 15 vehicles per day (2021 count).

How long is Crane Ave over Boone River?

The structure is 93 ft (28.3 m) long with a longest span of 35 ft (10.7 m) and a deck 27 ft wide.

Who owns Crane Ave over Boone River?

It is owned by the County Highway Agency.