US Bridges

FM over Hog Thief Hollow

Fair

Lee County, Iowa · 065052011 · Structure no. 000000000217865

Built
1958
67 years old
Condition
Fair
inspected February 2023
Type
Culvert
Concrete Continuous
Length
22 ft
2 main spans
Daily traffic
280
2022 count
Owner
County
County Highway Agency

About this bridge

FM over Hog Thief Hollow is a concrete continuous culvert carrying FM over Hog Thief Hollow in Lee County, Iowa. It was built in 1958, so it is 67 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.

It carries about 280 vehicles a day, roughly 18% of them trucks, projected to reach 280 by 2043. The structure is 22 ft (6.7 m) long. If it were closed, the detour would be 3.1 mi (5 km).

CarriesFM
CrossesHog Thief Hollow
Location065052011
RouteCounty Highway 0
StateIowa
Coordinates40.40718, -91.45543
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.

ComponentRatingMeaning
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating61.3 US tons
Inventory rating36.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadH 20
Structure length22 ft (6.7 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic280 (2022)
Projected traffic280 by 2043
Trucks18%
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 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 Hog Thief Hollow built?

It was built in 1958, making it 67 years old in 2025.

What condition is FM over Hog Thief Hollow 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 February 2023.

How much traffic does FM over Hog Thief Hollow carry?

About 280 vehicles per day (2022 count), of which roughly 18% are trucks.

How long is FM over Hog Thief Hollow?

The structure is 22 ft (6.7 m) long with a longest span of 10 ft (3 m).

Who owns FM over Hog Thief Hollow?

It is owned by the County Highway Agency.