US Bridges

White Fox RD over Boone River

Good

Hamilton County, Iowa · 000000000 · Structure no. 000000000012331

Built
1982
43 years old
Condition
Good
inspected October 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
325 ft
4 main spans
Daily traffic
1,282
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

White Fox RD over Boone River is a prestressed concrete stringer/multi-beam or girder carrying White Fox RD over Boone River in Hamilton County, Iowa. It was built in 1982, so it is 43 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 1,282 vehicles a day, projected to reach 1,282 by 2043. The structure is 325 ft (99.1 m) long and 40 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesWhite Fox RD
CrossesBoone River
Location000000000
RouteCity Street 0
StateIowa
Coordinates42.47404, -93.81343
Functional classUrban Minor Arterial

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating110.1 US tons
Inventory rating55 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length325 ft (99.1 m)
Longest span81 ft (24.8 m)
Deck width40 ft (12.2 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,282 (2022)
Projected traffic1,282 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 White Fox RD over Boone River built?

It was built in 1982, making it 43 years old in 2025.

What condition is White Fox RD 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 October 2023.

How much traffic does White Fox RD over Boone River carry?

About 1,282 vehicles per day (2022 count).

How long is White Fox RD over Boone River?

The structure is 325 ft (99.1 m) long with a longest span of 81 ft (24.8 m) and a deck 40 ft wide.

Who owns White Fox RD over Boone River?

It is owned by the City or Municipal Highway Agency.