FM over White Fox Creek

FairPosted for load

Hamilton County, Iowa · 089252103 · Structure no. 000000000172350

Built: 1960; 65 years old
Condition: Fair; inspected September 2024
Type: Slab; Concrete Continuous
Length: 128 ft; 3 main spans
Daily traffic: 330; 2022 count
Owner: County; County Highway Agency

About this bridge

FM over White Fox Creek is a concrete continuous slab carrying FM over White Fox Creek in Hamilton County, Iowa. It was built in 1960, so it is 65 years old, older than the Iowa average of 45.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 330 vehicles a day, roughly 17% of them trucks, projected to reach 330 by 2044. The structure is 128 ft (39 m) long and 26 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

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CarriesFM

CrossesWhite Fox Creek

Location089252103

RouteCounty Highway 0

CountyHamilton County

StateIowa

Coordinates42.50766, -93.80661

Functional classRural Minor Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

Component	Rating	Meaning
Deck	5 Fair	All primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure	5 Fair	All primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure	7 Good	Some minor problems.
Channel and channel protection	7 Good	Some minor problems.

Last inspectionSeptember 2024

Inspection intervalevery 24 months

Operating statusPosted for load restriction

ScourFoundations stable; scour above top of footing

Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is

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 rating41 US tons

Inventory rating24.6 US tons

Structure

Structure typeSlab

MaterialConcrete Continuous

DeckConcrete, cast-in-place

Main spans3

Design loadH 15

Structure length128 ft (39 m)

Longest span49 ft (14.9 m)

Deck width26 ft (8 m)

Roadway width24 ft (7.3 m)

Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic330 (2022)

Projected traffic330 by 2044

Trucks17%

Lanes on structure2

Traffic directionTwo-way traffic

CarriesHighway

CrossesWaterway

Detour if closed5 mi (8 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry

Estimated improvement cost—

NavigationNo navigation control on waterway

Frequently asked questions

When was FM over White Fox Creek built?

It was built in 1960, making it 65 years old in 2025.

What condition is FM over White Fox Creek in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in September 2024.

How much traffic does FM over White Fox Creek carry?

About 330 vehicles per day (2022 count), of which roughly 17% are trucks.

How long is FM over White Fox Creek?

The structure is 128 ft (39 m) long with a longest span of 49 ft (14.9 m) and a deck 26 ft wide.

Who owns FM over White Fox Creek?

It is owned by the County Highway Agency.